Home / 743,867.28-1,026,531.90-404,335.53

Finding the Fourth Proportional to 743,867.28, 1,026,531.90 and 404,335.53

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Solution

The fourth proportional to 743,867.28, 1,026,531.90 and 404,335.53 is: 557,980.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,867.28 : 1,026,531.90 = 404,335.53 : x
  2. Step 2: Convert to fraction form
    743,867.28/1,026,531.90 = 404,335.53/x
  3. Step 3: Cross multiply
    743,867.28x = 1,026,531.90 × 404,335.53
  4. Step 4: Simplify right side
    743,867.28x = 415,063,319,848.41
  5. Step 5: Solve for x
    x = 415,063,319,848.41/743,867.28
  6. Step 6: Final answer
    x = 557,980.34

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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.