Home / 729,676.56-1,006,877.28-423,693.30

Finding the Fourth Proportional to 729,676.56, 1,006,877.28 and 423,693.30

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Solution

The fourth proportional to 729,676.56, 1,006,877.28 and 423,693.30 is: 584,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,676.56 : 1,006,877.28 = 423,693.30 : x
  2. Step 2: Convert to fraction form
    729,676.56/1,006,877.28 = 423,693.30/x
  3. Step 3: Cross multiply
    729,676.56x = 1,006,877.28 × 423,693.30
  4. Step 4: Simplify right side
    729,676.56x = 426,607,157,458.22
  5. Step 5: Solve for x
    x = 426,607,157,458.22/729,676.56
  6. Step 6: Final answer
    x = 584,652.41

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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.