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Finding the Fourth Proportional to 672,700.16, 928,705.92 and 446,654.72

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Solution

The fourth proportional to 672,700.16, 928,705.92 and 446,654.72 is: 616,635.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,700.16 : 928,705.92 = 446,654.72 : x
  2. Step 2: Convert to fraction form
    672,700.16/928,705.92 = 446,654.72/x
  3. Step 3: Cross multiply
    672,700.16x = 928,705.92 × 446,654.72
  4. Step 4: Simplify right side
    672,700.16x = 414,810,882,659.94
  5. Step 5: Solve for x
    x = 414,810,882,659.94/672,700.16
  6. Step 6: Final answer
    x = 616,635.62

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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.