Home / 743,854.35-1,026,782.24-442,044.75

Finding the Fourth Proportional to 743,854.35, 1,026,782.24 and 442,044.75

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Solution

The fourth proportional to 743,854.35, 1,026,782.24 and 442,044.75 is: 610,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,854.35 : 1,026,782.24 = 442,044.75 : x
  2. Step 2: Convert to fraction form
    743,854.35/1,026,782.24 = 442,044.75/x
  3. Step 3: Cross multiply
    743,854.35x = 1,026,782.24 × 442,044.75
  4. Step 4: Simplify right side
    743,854.35x = 453,883,696,375.02
  5. Step 5: Solve for x
    x = 453,883,696,375.02/743,854.35
  6. Step 6: Final answer
    x = 610,178.18

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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.