Home / 840,522.10-1,159,915-477,945.98

Finding the Fourth Proportional to 840,522.10, 1,159,915 and 477,945.98

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Solution

The fourth proportional to 840,522.10, 1,159,915 and 477,945.98 is: 659,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,522.10 : 1,159,915 = 477,945.98 : x
  2. Step 2: Convert to fraction form
    840,522.10/1,159,915 = 477,945.98/x
  3. Step 3: Cross multiply
    840,522.10x = 1,159,915 × 477,945.98
  4. Step 4: Simplify right side
    840,522.10x = 554,376,711,391.70
  5. Step 5: Solve for x
    x = 554,376,711,391.70/840,522.10
  6. Step 6: Final answer
    x = 659,562.33

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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.