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Finding the Fourth Proportional to 530,520.02, 732,095.22 and 288,797.56

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Solution

The fourth proportional to 530,520.02, 732,095.22 and 288,797.56 is: 398,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,520.02 : 732,095.22 = 288,797.56 : x
  2. Step 2: Convert to fraction form
    530,520.02/732,095.22 = 288,797.56/x
  3. Step 3: Cross multiply
    530,520.02x = 732,095.22 × 288,797.56
  4. Step 4: Simplify right side
    530,520.02x = 211,427,313,223.66
  5. Step 5: Solve for x
    x = 211,427,313,223.66/530,520.02
  6. Step 6: Final answer
    x = 398,528.43

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Double scale
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Similar ratio
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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.