Home / 890,137.50-1,335,373.65-357,700.74

Finding the Fourth Proportional to 890,137.50, 1,335,373.65 and 357,700.74

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Solution

The fourth proportional to 890,137.50, 1,335,373.65 and 357,700.74 is: 536,618.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,137.50 : 1,335,373.65 = 357,700.74 : x
  2. Step 2: Convert to fraction form
    890,137.50/1,335,373.65 = 357,700.74/x
  3. Step 3: Cross multiply
    890,137.50x = 1,335,373.65 × 357,700.74
  4. Step 4: Simplify right side
    890,137.50x = 477,664,142,781.50
  5. Step 5: Solve for x
    x = 477,664,142,781.50/890,137.50
  6. Step 6: Final answer
    x = 536,618.38

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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.