Home / 743,815.60-1,026,959.84-571,426.52

Finding the Fourth Proportional to 743,815.60, 1,026,959.84 and 571,426.52

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Solution

The fourth proportional to 743,815.60, 1,026,959.84 and 571,426.52 is: 788,948.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,815.60 : 1,026,959.84 = 571,426.52 : x
  2. Step 2: Convert to fraction form
    743,815.60/1,026,959.84 = 571,426.52/x
  3. Step 3: Cross multiply
    743,815.60x = 1,026,959.84 × 571,426.52
  4. Step 4: Simplify right side
    743,815.60x = 586,832,087,550.96
  5. Step 5: Solve for x
    x = 586,832,087,550.96/743,815.60
  6. Step 6: Final answer
    x = 788,948.35

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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.