Home / 849,727.38-1,172,665.89-467,750.10

Finding the Fourth Proportional to 849,727.38, 1,172,665.89 and 467,750.10

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Solution

The fourth proportional to 849,727.38, 1,172,665.89 and 467,750.10 is: 645,518.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,727.38 : 1,172,665.89 = 467,750.10 : x
  2. Step 2: Convert to fraction form
    849,727.38/1,172,665.89 = 467,750.10/x
  3. Step 3: Cross multiply
    849,727.38x = 1,172,665.89 × 467,750.10
  4. Step 4: Simplify right side
    849,727.38x = 548,514,587,314.09
  5. Step 5: Solve for x
    x = 548,514,587,314.09/849,727.38
  6. Step 6: Final answer
    x = 645,518.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.