Home / 714,788.72-1,069,503.19-425,542.38

Finding the Fourth Proportional to 714,788.72, 1,069,503.19 and 425,542.38

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Solution

The fourth proportional to 714,788.72, 1,069,503.19 and 425,542.38 is: 636,718.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,788.72 : 1,069,503.19 = 425,542.38 : x
  2. Step 2: Convert to fraction form
    714,788.72/1,069,503.19 = 425,542.38/x
  3. Step 3: Cross multiply
    714,788.72x = 1,069,503.19 × 425,542.38
  4. Step 4: Simplify right side
    714,788.72x = 455,118,932,890.19
  5. Step 5: Solve for x
    x = 455,118,932,890.19/714,788.72
  6. Step 6: Final answer
    x = 636,718.12

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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.