Home / 684,005.10-1,026,007.65-400,569.90

Finding the Fourth Proportional to 684,005.10, 1,026,007.65 and 400,569.90

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Solution

The fourth proportional to 684,005.10, 1,026,007.65 and 400,569.90 is: 600,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,005.10 : 1,026,007.65 = 400,569.90 : x
  2. Step 2: Convert to fraction form
    684,005.10/1,026,007.65 = 400,569.90/x
  3. Step 3: Cross multiply
    684,005.10x = 1,026,007.65 × 400,569.90
  4. Step 4: Simplify right side
    684,005.10x = 410,987,781,759.74
  5. Step 5: Solve for x
    x = 410,987,781,759.74/684,005.10
  6. Step 6: Final answer
    x = 600,854.85

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Similar ratio
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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.