Home / 918,310.03-1,377,478.88-349,722.56

Finding the Fourth Proportional to 918,310.03, 1,377,478.88 and 349,722.56

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Solution

The fourth proportional to 918,310.03, 1,377,478.88 and 349,722.56 is: 524,589.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,310.03 : 1,377,478.88 = 349,722.56 : x
  2. Step 2: Convert to fraction form
    918,310.03/1,377,478.88 = 349,722.56/x
  3. Step 3: Cross multiply
    918,310.03x = 1,377,478.88 × 349,722.56
  4. Step 4: Simplify right side
    918,310.03x = 481,735,443,266.08
  5. Step 5: Solve for x
    x = 481,735,443,266.08/918,310.03
  6. Step 6: Final answer
    x = 524,589.11

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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.