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Finding the Fourth Proportional to 672,699.72, 928,332.86 and 366,773.61

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Solution

The fourth proportional to 672,699.72, 928,332.86 and 366,773.61 is: 506,151.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,699.72 : 928,332.86 = 366,773.61 : x
  2. Step 2: Convert to fraction form
    672,699.72/928,332.86 = 366,773.61/x
  3. Step 3: Cross multiply
    672,699.72x = 928,332.86 × 366,773.61
  4. Step 4: Simplify right side
    672,699.72x = 340,487,994,343.83
  5. Step 5: Solve for x
    x = 340,487,994,343.83/672,699.72
  6. Step 6: Final answer
    x = 506,151.53

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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.