Home / 803,008.59-1,108,182.86-440,447.73

Finding the Fourth Proportional to 803,008.59, 1,108,182.86 and 440,447.73

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Solution

The fourth proportional to 803,008.59, 1,108,182.86 and 440,447.73 is: 607,834.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,008.59 : 1,108,182.86 = 440,447.73 : x
  2. Step 2: Convert to fraction form
    803,008.59/1,108,182.86 = 440,447.73/x
  3. Step 3: Cross multiply
    803,008.59x = 1,108,182.86 × 440,447.73
  4. Step 4: Simplify right side
    803,008.59x = 488,096,625,111.91
  5. Step 5: Solve for x
    x = 488,096,625,111.91/803,008.59
  6. Step 6: Final answer
    x = 607,834.87

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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.