Home / 959,588.70-1,439,901.45-398,679.90

Finding the Fourth Proportional to 959,588.70, 1,439,901.45 and 398,679.90

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Solution

The fourth proportional to 959,588.70, 1,439,901.45 and 398,679.90 is: 598,235.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,588.70 : 1,439,901.45 = 398,679.90 : x
  2. Step 2: Convert to fraction form
    959,588.70/1,439,901.45 = 398,679.90/x
  3. Step 3: Cross multiply
    959,588.70x = 1,439,901.45 × 398,679.90
  4. Step 4: Simplify right side
    959,588.70x = 574,059,766,095.86
  5. Step 5: Solve for x
    x = 574,059,766,095.86/959,588.70
  6. Step 6: Final answer
    x = 598,235.23

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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.