Home / 738,343.20-1,107,514.80-607,123.20

Finding the Fourth Proportional to 738,343.20, 1,107,514.80 and 607,123.20

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Solution

The fourth proportional to 738,343.20, 1,107,514.80 and 607,123.20 is: 910,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,343.20 : 1,107,514.80 = 607,123.20 : x
  2. Step 2: Convert to fraction form
    738,343.20/1,107,514.80 = 607,123.20/x
  3. Step 3: Cross multiply
    738,343.20x = 1,107,514.80 × 607,123.20
  4. Step 4: Simplify right side
    738,343.20x = 672,397,929,423.36
  5. Step 5: Solve for x
    x = 672,397,929,423.36/738,343.20
  6. Step 6: Final answer
    x = 910,684.80

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.