Home / 755,313.28-1,042,345.60-411,159.10

Finding the Fourth Proportional to 755,313.28, 1,042,345.60 and 411,159.10

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Solution

The fourth proportional to 755,313.28, 1,042,345.60 and 411,159.10 is: 567,406.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,313.28 : 1,042,345.60 = 411,159.10 : x
  2. Step 2: Convert to fraction form
    755,313.28/1,042,345.60 = 411,159.10/x
  3. Step 3: Cross multiply
    755,313.28x = 1,042,345.60 × 411,159.10
  4. Step 4: Simplify right side
    755,313.28x = 428,569,878,784.96
  5. Step 5: Solve for x
    x = 428,569,878,784.96/755,313.28
  6. Step 6: Final answer
    x = 567,406.78

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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.