Home / 959,773.20-1,440,156.60-391,570.80

Finding the Fourth Proportional to 959,773.20, 1,440,156.60 and 391,570.80

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Solution

The fourth proportional to 959,773.20, 1,440,156.60 and 391,570.80 is: 587,558.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,773.20 : 1,440,156.60 = 391,570.80 : x
  2. Step 2: Convert to fraction form
    959,773.20/1,440,156.60 = 391,570.80/x
  3. Step 3: Cross multiply
    959,773.20x = 1,440,156.60 × 391,570.80
  4. Step 4: Simplify right side
    959,773.20x = 563,923,271,987.28
  5. Step 5: Solve for x
    x = 563,923,271,987.28/959,773.20
  6. Step 6: Final answer
    x = 587,558.89

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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.