Home / 500,834.17-691,074.70-282,963.35

Finding the Fourth Proportional to 500,834.17, 691,074.70 and 282,963.35

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Solution

The fourth proportional to 500,834.17, 691,074.70 and 282,963.35 is: 390,446.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,834.17 : 691,074.70 = 282,963.35 : x
  2. Step 2: Convert to fraction form
    500,834.17/691,074.70 = 282,963.35/x
  3. Step 3: Cross multiply
    500,834.17x = 691,074.70 × 282,963.35
  4. Step 4: Simplify right side
    500,834.17x = 195,548,812,212.25
  5. Step 5: Solve for x
    x = 195,548,812,212.25/500,834.17
  6. Step 6: Final answer
    x = 390,446.23

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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.