Home / 585,005.20-877,070.40-247,769.80

Finding the Fourth Proportional to 585,005.20, 877,070.40 and 247,769.80

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Solution

The fourth proportional to 585,005.20, 877,070.40 and 247,769.80 is: 371,469.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,005.20 : 877,070.40 = 247,769.80 : x
  2. Step 2: Convert to fraction form
    585,005.20/877,070.40 = 247,769.80/x
  3. Step 3: Cross multiply
    585,005.20x = 877,070.40 × 247,769.80
  4. Step 4: Simplify right side
    585,005.20x = 217,311,557,593.92
  5. Step 5: Solve for x
    x = 217,311,557,593.92/585,005.20
  6. Step 6: Final answer
    x = 371,469.45

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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.