Home / 672,027.17-1,007,690.76-316,945.85

Finding the Fourth Proportional to 672,027.17, 1,007,690.76 and 316,945.85

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Solution

The fourth proportional to 672,027.17, 1,007,690.76 and 316,945.85 is: 475,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,027.17 : 1,007,690.76 = 316,945.85 : x
  2. Step 2: Convert to fraction form
    672,027.17/1,007,690.76 = 316,945.85/x
  3. Step 3: Cross multiply
    672,027.17x = 1,007,690.76 × 316,945.85
  4. Step 4: Simplify right side
    672,027.17x = 319,383,399,426.89
  5. Step 5: Solve for x
    x = 319,383,399,426.89/672,027.17
  6. Step 6: Final answer
    x = 475,253.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.