Home / 918,002.61-1,266,872.13-504,531.89

Finding the Fourth Proportional to 918,002.61, 1,266,872.13 and 504,531.89

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Solution

The fourth proportional to 918,002.61, 1,266,872.13 and 504,531.89 is: 696,269.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,002.61 : 1,266,872.13 = 504,531.89 : x
  2. Step 2: Convert to fraction form
    918,002.61/1,266,872.13 = 504,531.89/x
  3. Step 3: Cross multiply
    918,002.61x = 1,266,872.13 × 504,531.89
  4. Step 4: Simplify right side
    918,002.61x = 639,177,393,304.41
  5. Step 5: Solve for x
    x = 639,177,393,304.41/918,002.61
  6. Step 6: Final answer
    x = 696,269.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.