Home / 672,366.20-927,964.16-442,886.72

Finding the Fourth Proportional to 672,366.20, 927,964.16 and 442,886.72

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Solution

The fourth proportional to 672,366.20, 927,964.16 and 442,886.72 is: 611,248.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,366.20 : 927,964.16 = 442,886.72 : x
  2. Step 2: Convert to fraction form
    672,366.20/927,964.16 = 442,886.72/x
  3. Step 3: Cross multiply
    672,366.20x = 927,964.16 × 442,886.72
  4. Step 4: Simplify right side
    672,366.20x = 410,983,003,099.96
  5. Step 5: Solve for x
    x = 410,983,003,099.96/672,366.20
  6. Step 6: Final answer
    x = 611,248.76

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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.