Home / 914,554.80-1,371,832.20-345,934.80

Finding the Fourth Proportional to 914,554.80, 1,371,832.20 and 345,934.80

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Solution

The fourth proportional to 914,554.80, 1,371,832.20 and 345,934.80 is: 518,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,554.80 : 1,371,832.20 = 345,934.80 : x
  2. Step 2: Convert to fraction form
    914,554.80/1,371,832.20 = 345,934.80/x
  3. Step 3: Cross multiply
    914,554.80x = 1,371,832.20 × 345,934.80
  4. Step 4: Simplify right side
    914,554.80x = 474,564,497,740.56
  5. Step 5: Solve for x
    x = 474,564,497,740.56/914,554.80
  6. Step 6: Final answer
    x = 518,902.20

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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.