Home / 763,944.48-1,145,522.52-342,860.04

Finding the Fourth Proportional to 763,944.48, 1,145,522.52 and 342,860.04

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Solution

The fourth proportional to 763,944.48, 1,145,522.52 and 342,860.04 is: 514,113.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,944.48 : 1,145,522.52 = 342,860.04 : x
  2. Step 2: Convert to fraction form
    763,944.48/1,145,522.52 = 342,860.04/x
  3. Step 3: Cross multiply
    763,944.48x = 1,145,522.52 × 342,860.04
  4. Step 4: Simplify right side
    763,944.48x = 392,753,897,028.10
  5. Step 5: Solve for x
    x = 392,753,897,028.10/763,944.48
  6. Step 6: Final answer
    x = 514,113.14

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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.