Home / 886,882.61-1,223,897.82-478,984.44

Finding the Fourth Proportional to 886,882.61, 1,223,897.82 and 478,984.44

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Solution

The fourth proportional to 886,882.61, 1,223,897.82 and 478,984.44 is: 660,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,882.61 : 1,223,897.82 = 478,984.44 : x
  2. Step 2: Convert to fraction form
    886,882.61/1,223,897.82 = 478,984.44/x
  3. Step 3: Cross multiply
    886,882.61x = 1,223,897.82 × 478,984.44
  4. Step 4: Simplify right side
    886,882.61x = 586,228,011,880.35
  5. Step 5: Solve for x
    x = 586,228,011,880.35/886,882.61
  6. Step 6: Final answer
    x = 660,998.43

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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.