Home / 890,287.92-1,335,493.20-357,809.52

Finding the Fourth Proportional to 890,287.92, 1,335,493.20 and 357,809.52

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Solution

The fourth proportional to 890,287.92, 1,335,493.20 and 357,809.52 is: 536,738.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,287.92 : 1,335,493.20 = 357,809.52 : x
  2. Step 2: Convert to fraction form
    890,287.92/1,335,493.20 = 357,809.52/x
  3. Step 3: Cross multiply
    890,287.92x = 1,335,493.20 × 357,809.52
  4. Step 4: Simplify right side
    890,287.92x = 477,852,180,855.26
  5. Step 5: Solve for x
    x = 477,852,180,855.26/890,287.92
  6. Step 6: Final answer
    x = 536,738.92

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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.