Home / 709,002.40-1,063,600.80-235,638.40

Finding the Fourth Proportional to 709,002.40, 1,063,600.80 and 235,638.40

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Solution

The fourth proportional to 709,002.40, 1,063,600.80 and 235,638.40 is: 353,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,002.40 : 1,063,600.80 = 235,638.40 : x
  2. Step 2: Convert to fraction form
    709,002.40/1,063,600.80 = 235,638.40/x
  3. Step 3: Cross multiply
    709,002.40x = 1,063,600.80 × 235,638.40
  4. Step 4: Simplify right side
    709,002.40x = 250,625,190,750.72
  5. Step 5: Solve for x
    x = 250,625,190,750.72/709,002.40
  6. Step 6: Final answer
    x = 353,489.90

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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.