Home / 803,142.61-1,108,367.49-440,581.75

Finding the Fourth Proportional to 803,142.61, 1,108,367.49 and 440,581.75

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Solution

The fourth proportional to 803,142.61, 1,108,367.49 and 440,581.75 is: 608,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,142.61 : 1,108,367.49 = 440,581.75 : x
  2. Step 2: Convert to fraction form
    803,142.61/1,108,367.49 = 440,581.75/x
  3. Step 3: Cross multiply
    803,142.61x = 1,108,367.49 × 440,581.75
  4. Step 4: Simplify right side
    803,142.61x = 488,326,488,387.31
  5. Step 5: Solve for x
    x = 488,326,488,387.31/803,142.61
  6. Step 6: Final answer
    x = 608,019.65

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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.