Home / 743,494.68-1,026,025.38-403,962.92

Finding the Fourth Proportional to 743,494.68, 1,026,025.38 and 403,962.92

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Solution

The fourth proportional to 743,494.68, 1,026,025.38 and 403,962.92 is: 557,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,494.68 : 1,026,025.38 = 403,962.92 : x
  2. Step 2: Convert to fraction form
    743,494.68/1,026,025.38 = 403,962.92/x
  3. Step 3: Cross multiply
    743,494.68x = 1,026,025.38 × 403,962.92
  4. Step 4: Simplify right side
    743,494.68x = 414,476,208,498.91
  5. Step 5: Solve for x
    x = 414,476,208,498.91/743,494.68
  6. Step 6: Final answer
    x = 557,470.31

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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.