Home / 739,871.60-1,109,807.40-207,482.90

Finding the Fourth Proportional to 739,871.60, 1,109,807.40 and 207,482.90

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Solution

The fourth proportional to 739,871.60, 1,109,807.40 and 207,482.90 is: 311,224.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,871.60 : 1,109,807.40 = 207,482.90 : x
  2. Step 2: Convert to fraction form
    739,871.60/1,109,807.40 = 207,482.90/x
  3. Step 3: Cross multiply
    739,871.60x = 1,109,807.40 × 207,482.90
  4. Step 4: Simplify right side
    739,871.60x = 230,266,057,793.46
  5. Step 5: Solve for x
    x = 230,266,057,793.46/739,871.60
  6. Step 6: Final answer
    x = 311,224.35

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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.