Home / 738,998.10-1,108,934.55-487,007.10

Finding the Fourth Proportional to 738,998.10, 1,108,934.55 and 487,007.10

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Solution

The fourth proportional to 738,998.10, 1,108,934.55 and 487,007.10 is: 730,798.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,998.10 : 1,108,934.55 = 487,007.10 : x
  2. Step 2: Convert to fraction form
    738,998.10/1,108,934.55 = 487,007.10/x
  3. Step 3: Cross multiply
    738,998.10x = 1,108,934.55 × 487,007.10
  4. Step 4: Simplify right side
    738,998.10x = 540,058,999,285.31
  5. Step 5: Solve for x
    x = 540,058,999,285.31/738,998.10
  6. Step 6: Final answer
    x = 730,798.90

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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.