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Finding the Fourth Proportional to 672,655.65, 928,264.29 and 366,732.02

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Solution

The fourth proportional to 672,655.65, 928,264.29 and 366,732.02 is: 506,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,655.65 : 928,264.29 = 366,732.02 : x
  2. Step 2: Convert to fraction form
    672,655.65/928,264.29 = 366,732.02/x
  3. Step 3: Cross multiply
    672,655.65x = 928,264.29 × 366,732.02
  4. Step 4: Simplify right side
    672,655.65x = 340,424,233,524.24
  5. Step 5: Solve for x
    x = 340,424,233,524.24/672,655.65
  6. Step 6: Final answer
    x = 506,089.90

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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.