Home / 611,844.85-915,802.02-326,822.70

Finding the Fourth Proportional to 611,844.85, 915,802.02 and 326,822.70

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Solution

The fourth proportional to 611,844.85, 915,802.02 and 326,822.70 is: 489,184.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,844.85 : 915,802.02 = 326,822.70 : x
  2. Step 2: Convert to fraction form
    611,844.85/915,802.02 = 326,822.70/x
  3. Step 3: Cross multiply
    611,844.85x = 915,802.02 × 326,822.70
  4. Step 4: Simplify right side
    611,844.85x = 299,304,888,841.85
  5. Step 5: Solve for x
    x = 299,304,888,841.85/611,844.85
  6. Step 6: Final answer
    x = 489,184.29

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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.