Home / 738,097.10-1,107,145.65-205,700.30

Finding the Fourth Proportional to 738,097.10, 1,107,145.65 and 205,700.30

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Solution

The fourth proportional to 738,097.10, 1,107,145.65 and 205,700.30 is: 308,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,097.10 : 1,107,145.65 = 205,700.30 : x
  2. Step 2: Convert to fraction form
    738,097.10/1,107,145.65 = 205,700.30/x
  3. Step 3: Cross multiply
    738,097.10x = 1,107,145.65 × 205,700.30
  4. Step 4: Simplify right side
    738,097.10x = 227,740,192,348.70
  5. Step 5: Solve for x
    x = 227,740,192,348.70/738,097.10
  6. Step 6: Final answer
    x = 308,550.45

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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.