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Finding the Fourth Proportional to 900,524.80, 1,347,506.70 and 664,328.80

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Solution

The fourth proportional to 900,524.80, 1,347,506.70 and 664,328.80 is: 994,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,524.80 : 1,347,506.70 = 664,328.80 : x
  2. Step 2: Convert to fraction form
    900,524.80/1,347,506.70 = 664,328.80/x
  3. Step 3: Cross multiply
    900,524.80x = 1,347,506.70 × 664,328.80
  4. Step 4: Simplify right side
    900,524.80x = 895,187,509,002.96
  5. Step 5: Solve for x
    x = 895,187,509,002.96/900,524.80
  6. Step 6: Final answer
    x = 994,073.13

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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.