Home / 889,432.17-1,332,474.30-439,626.44

Finding the Fourth Proportional to 889,432.17, 1,332,474.30 and 439,626.44

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Solution

The fourth proportional to 889,432.17, 1,332,474.30 and 439,626.44 is: 658,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,432.17 : 1,332,474.30 = 439,626.44 : x
  2. Step 2: Convert to fraction form
    889,432.17/1,332,474.30 = 439,626.44/x
  3. Step 3: Cross multiply
    889,432.17x = 1,332,474.30 × 439,626.44
  4. Step 4: Simplify right side
    889,432.17x = 585,790,926,238.12
  5. Step 5: Solve for x
    x = 585,790,926,238.12/889,432.17
  6. Step 6: Final answer
    x = 658,612.25

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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.