Home / 693,200.10-1,039,654.35-293,853.90

Finding the Fourth Proportional to 693,200.10, 1,039,654.35 and 293,853.90

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Solution

The fourth proportional to 693,200.10, 1,039,654.35 and 293,853.90 is: 440,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,200.10 : 1,039,654.35 = 293,853.90 : x
  2. Step 2: Convert to fraction form
    693,200.10/1,039,654.35 = 293,853.90/x
  3. Step 3: Cross multiply
    693,200.10x = 1,039,654.35 × 293,853.90
  4. Step 4: Simplify right side
    693,200.10x = 305,506,485,399.47
  5. Step 5: Solve for x
    x = 305,506,485,399.47/693,200.10
  6. Step 6: Final answer
    x = 440,719.04

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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.