Home / 739,929.60-1,110,331.80-487,938.60

Finding the Fourth Proportional to 739,929.60, 1,110,331.80 and 487,938.60

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Solution

The fourth proportional to 739,929.60, 1,110,331.80 and 487,938.60 is: 732,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,929.60 : 1,110,331.80 = 487,938.60 : x
  2. Step 2: Convert to fraction form
    739,929.60/1,110,331.80 = 487,938.60/x
  3. Step 3: Cross multiply
    739,929.60x = 1,110,331.80 × 487,938.60
  4. Step 4: Simplify right side
    739,929.60x = 541,773,744,027.48
  5. Step 5: Solve for x
    x = 541,773,744,027.48/739,929.60
  6. Step 6: Final answer
    x = 732,196.34

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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.