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Finding the Fourth Proportional to 898,314.70, 1,347,666.45 and 267,292.30

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Solution

The fourth proportional to 898,314.70, 1,347,666.45 and 267,292.30 is: 400,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,314.70 : 1,347,666.45 = 267,292.30 : x
  2. Step 2: Convert to fraction form
    898,314.70/1,347,666.45 = 267,292.30/x
  3. Step 3: Cross multiply
    898,314.70x = 1,347,666.45 × 267,292.30
  4. Step 4: Simplify right side
    898,314.70x = 360,220,865,053.34
  5. Step 5: Solve for x
    x = 360,220,865,053.34/898,314.70
  6. Step 6: Final answer
    x = 400,996.29

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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.