Home / 659,617.40-989,426.10-593,132.60

Finding the Fourth Proportional to 659,617.40, 989,426.10 and 593,132.60

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Solution

The fourth proportional to 659,617.40, 989,426.10 and 593,132.60 is: 889,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,617.40 : 989,426.10 = 593,132.60 : x
  2. Step 2: Convert to fraction form
    659,617.40/989,426.10 = 593,132.60/x
  3. Step 3: Cross multiply
    659,617.40x = 989,426.10 × 593,132.60
  4. Step 4: Simplify right side
    659,617.40x = 586,860,875,200.86
  5. Step 5: Solve for x
    x = 586,860,875,200.86/659,617.40
  6. Step 6: Final answer
    x = 889,698.90

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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.