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Finding the Fourth Proportional to 530,473.52, 732,062.80 and 288,763.04

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Solution

The fourth proportional to 530,473.52, 732,062.80 and 288,763.04 is: 398,498.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,473.52 : 732,062.80 = 288,763.04 : x
  2. Step 2: Convert to fraction form
    530,473.52/732,062.80 = 288,763.04/x
  3. Step 3: Cross multiply
    530,473.52x = 732,062.80 × 288,763.04
  4. Step 4: Simplify right side
    530,473.52x = 211,392,679,598.91
  5. Step 5: Solve for x
    x = 211,392,679,598.91/530,473.52
  6. Step 6: Final answer
    x = 398,498.08

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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.