Home / 709,793.40-1,064,301.30-288,593.40

Finding the Fourth Proportional to 709,793.40, 1,064,301.30 and 288,593.40

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Solution

The fourth proportional to 709,793.40, 1,064,301.30 and 288,593.40 is: 432,732.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,793.40 : 1,064,301.30 = 288,593.40 : x
  2. Step 2: Convert to fraction form
    709,793.40/1,064,301.30 = 288,593.40/x
  3. Step 3: Cross multiply
    709,793.40x = 1,064,301.30 × 288,593.40
  4. Step 4: Simplify right side
    709,793.40x = 307,150,330,791.42
  5. Step 5: Solve for x
    x = 307,150,330,791.42/709,793.40
  6. Step 6: Final answer
    x = 432,732.02

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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.