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Finding the Fourth Proportional to 659,626.96, 910,285.52 and 373,140.96

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Solution

The fourth proportional to 659,626.96, 910,285.52 and 373,140.96 is: 514,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,626.96 : 910,285.52 = 373,140.96 : x
  2. Step 2: Convert to fraction form
    659,626.96/910,285.52 = 373,140.96/x
  3. Step 3: Cross multiply
    659,626.96x = 910,285.52 × 373,140.96
  4. Step 4: Simplify right side
    659,626.96x = 339,664,812,806.90
  5. Step 5: Solve for x
    x = 339,664,812,806.90/659,626.96
  6. Step 6: Final answer
    x = 514,934.70

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1.5x scale

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.