Home / 890,138.50-1,335,375.15-357,701.74

Finding the Fourth Proportional to 890,138.50, 1,335,375.15 and 357,701.74

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Solution

The fourth proportional to 890,138.50, 1,335,375.15 and 357,701.74 is: 536,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,138.50 : 1,335,375.15 = 357,701.74 : x
  2. Step 2: Convert to fraction form
    890,138.50/1,335,375.15 = 357,701.74/x
  3. Step 3: Cross multiply
    890,138.50x = 1,335,375.15 × 357,701.74
  4. Step 4: Simplify right side
    890,138.50x = 477,666,014,707.76
  5. Step 5: Solve for x
    x = 477,666,014,707.76/890,138.50
  6. Step 6: Final answer
    x = 536,619.88

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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.