Home / 439,016.12-657,500.32-372,220.28

Finding the Fourth Proportional to 439,016.12, 657,500.32 and 372,220.28

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Solution

The fourth proportional to 439,016.12, 657,500.32 and 372,220.28 is: 557,462.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,016.12 : 657,500.32 = 372,220.28 : x
  2. Step 2: Convert to fraction form
    439,016.12/657,500.32 = 372,220.28/x
  3. Step 3: Cross multiply
    439,016.12x = 657,500.32 × 372,220.28
  4. Step 4: Simplify right side
    439,016.12x = 244,734,953,210.49
  5. Step 5: Solve for x
    x = 244,734,953,210.49/439,016.12
  6. Step 6: Final answer
    x = 557,462.34

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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.