Home / 880,915.80-1,321,811.10-502,127.40

Finding the Fourth Proportional to 880,915.80, 1,321,811.10 and 502,127.40

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Solution

The fourth proportional to 880,915.80, 1,321,811.10 and 502,127.40 is: 753,440.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,915.80 : 1,321,811.10 = 502,127.40 : x
  2. Step 2: Convert to fraction form
    880,915.80/1,321,811.10 = 502,127.40/x
  3. Step 3: Cross multiply
    880,915.80x = 1,321,811.10 × 502,127.40
  4. Step 4: Simplify right side
    880,915.80x = 663,717,570,934.14
  5. Step 5: Solve for x
    x = 663,717,570,934.14/880,915.80
  6. Step 6: Final answer
    x = 753,440.42

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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.