Home / 840,247.02-1,260,370.80-279,281.52

Finding the Fourth Proportional to 840,247.02, 1,260,370.80 and 279,281.52

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Solution

The fourth proportional to 840,247.02, 1,260,370.80 and 279,281.52 is: 418,922.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,247.02 : 1,260,370.80 = 279,281.52 : x
  2. Step 2: Convert to fraction form
    840,247.02/1,260,370.80 = 279,281.52/x
  3. Step 3: Cross multiply
    840,247.02x = 1,260,370.80 × 279,281.52
  4. Step 4: Simplify right side
    840,247.02x = 351,998,272,787.62
  5. Step 5: Solve for x
    x = 351,998,272,787.62/840,247.02
  6. Step 6: Final answer
    x = 418,922.37

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1.5x scale

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.