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Finding the Fourth Proportional to 528,001.80, 792,002.70 and 516,337.80

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Solution

The fourth proportional to 528,001.80, 792,002.70 and 516,337.80 is: 774,506.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,001.80 : 792,002.70 = 516,337.80 : x
  2. Step 2: Convert to fraction form
    528,001.80/792,002.70 = 516,337.80/x
  3. Step 3: Cross multiply
    528,001.80x = 792,002.70 × 516,337.80
  4. Step 4: Simplify right side
    528,001.80x = 408,940,931,712.06
  5. Step 5: Solve for x
    x = 408,940,931,712.06/528,001.80
  6. Step 6: Final answer
    x = 774,506.70

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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.