Home / 709,442.29-977,366.87-494,192.89

Finding the Fourth Proportional to 709,442.29, 977,366.87 and 494,192.89

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Solution

The fourth proportional to 709,442.29, 977,366.87 and 494,192.89 is: 680,827.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,442.29 : 977,366.87 = 494,192.89 : x
  2. Step 2: Convert to fraction form
    709,442.29/977,366.87 = 494,192.89/x
  3. Step 3: Cross multiply
    709,442.29x = 977,366.87 × 494,192.89
  4. Step 4: Simplify right side
    709,442.29x = 483,007,753,188.72
  5. Step 5: Solve for x
    x = 483,007,753,188.72/709,442.29
  6. Step 6: Final answer
    x = 680,827.41

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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.