Home / 753,026.56-1,129,540.24-472,740.64

Finding the Fourth Proportional to 753,026.56, 1,129,540.24 and 472,740.64

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Solution

The fourth proportional to 753,026.56, 1,129,540.24 and 472,740.64 is: 709,111.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,026.56 : 1,129,540.24 = 472,740.64 : x
  2. Step 2: Convert to fraction form
    753,026.56/1,129,540.24 = 472,740.64/x
  3. Step 3: Cross multiply
    753,026.56x = 1,129,540.24 × 472,740.64
  4. Step 4: Simplify right side
    753,026.56x = 533,979,575,963.35
  5. Step 5: Solve for x
    x = 533,979,575,963.35/753,026.56
  6. Step 6: Final answer
    x = 709,111.21

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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.