Home / 697,031.40-1,044,194.40-408,144.90

Finding the Fourth Proportional to 697,031.40, 1,044,194.40 and 408,144.90

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Solution

The fourth proportional to 697,031.40, 1,044,194.40 and 408,144.90 is: 611,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,031.40 : 1,044,194.40 = 408,144.90 : x
  2. Step 2: Convert to fraction form
    697,031.40/1,044,194.40 = 408,144.90/x
  3. Step 3: Cross multiply
    697,031.40x = 1,044,194.40 × 408,144.90
  4. Step 4: Simplify right side
    697,031.40x = 426,182,618,968.56
  5. Step 5: Solve for x
    x = 426,182,618,968.56/697,031.40
  6. Step 6: Final answer
    x = 611,425.28

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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.