Home / 738,239.80-1,107,359.70-177,274.30

Finding the Fourth Proportional to 738,239.80, 1,107,359.70 and 177,274.30

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Solution

The fourth proportional to 738,239.80, 1,107,359.70 and 177,274.30 is: 265,911.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,239.80 : 1,107,359.70 = 177,274.30 : x
  2. Step 2: Convert to fraction form
    738,239.80/1,107,359.70 = 177,274.30/x
  3. Step 3: Cross multiply
    738,239.80x = 1,107,359.70 × 177,274.30
  4. Step 4: Simplify right side
    738,239.80x = 196,306,415,665.71
  5. Step 5: Solve for x
    x = 196,306,415,665.71/738,239.80
  6. Step 6: Final answer
    x = 265,911.45

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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.