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Finding the Fourth Proportional to 506,776.60, 760,164.90 and 498,903.40

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Solution

The fourth proportional to 506,776.60, 760,164.90 and 498,903.40 is: 748,355.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,776.60 : 760,164.90 = 498,903.40 : x
  2. Step 2: Convert to fraction form
    506,776.60/760,164.90 = 498,903.40/x
  3. Step 3: Cross multiply
    506,776.60x = 760,164.90 × 498,903.40
  4. Step 4: Simplify right side
    506,776.60x = 379,248,853,170.66
  5. Step 5: Solve for x
    x = 379,248,853,170.66/506,776.60
  6. Step 6: Final answer
    x = 748,355.10

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1.5x scale

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.