Home / 659,621.40-989,432.10-593,136.60

Finding the Fourth Proportional to 659,621.40, 989,432.10 and 593,136.60

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Solution

The fourth proportional to 659,621.40, 989,432.10 and 593,136.60 is: 889,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,621.40 : 989,432.10 = 593,136.60 : x
  2. Step 2: Convert to fraction form
    659,621.40/989,432.10 = 593,136.60/x
  3. Step 3: Cross multiply
    659,621.40x = 989,432.10 × 593,136.60
  4. Step 4: Simplify right side
    659,621.40x = 586,868,391,724.86
  5. Step 5: Solve for x
    x = 586,868,391,724.86/659,621.40
  6. Step 6: Final answer
    x = 889,704.90

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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.