Home / 889,240.90-1,332,954.15-439,269.70

Finding the Fourth Proportional to 889,240.90, 1,332,954.15 and 439,269.70

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Solution

The fourth proportional to 889,240.90, 1,332,954.15 and 439,269.70 is: 658,456.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,240.90 : 1,332,954.15 = 439,269.70 : x
  2. Step 2: Convert to fraction form
    889,240.90/1,332,954.15 = 439,269.70/x
  3. Step 3: Cross multiply
    889,240.90x = 1,332,954.15 × 439,269.70
  4. Step 4: Simplify right side
    889,240.90x = 585,526,369,584.26
  5. Step 5: Solve for x
    x = 585,526,369,584.26/889,240.90
  6. Step 6: Final answer
    x = 658,456.41

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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.