Home / 709,832.20-1,064,748.30-658,510.60

Finding the Fourth Proportional to 709,832.20, 1,064,748.30 and 658,510.60

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Solution

The fourth proportional to 709,832.20, 1,064,748.30 and 658,510.60 is: 987,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,832.20 : 1,064,748.30 = 658,510.60 : x
  2. Step 2: Convert to fraction form
    709,832.20/1,064,748.30 = 658,510.60/x
  3. Step 3: Cross multiply
    709,832.20x = 1,064,748.30 × 658,510.60
  4. Step 4: Simplify right side
    709,832.20x = 701,148,041,881.98
  5. Step 5: Solve for x
    x = 701,148,041,881.98/709,832.20
  6. Step 6: Final answer
    x = 987,765.90

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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.