Home / 879,061.12-1,317,702.40-346,375.04

Finding the Fourth Proportional to 879,061.12, 1,317,702.40 and 346,375.04

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Solution

The fourth proportional to 879,061.12, 1,317,702.40 and 346,375.04 is: 519,212.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,061.12 : 1,317,702.40 = 346,375.04 : x
  2. Step 2: Convert to fraction form
    879,061.12/1,317,702.40 = 346,375.04/x
  3. Step 3: Cross multiply
    879,061.12x = 1,317,702.40 × 346,375.04
  4. Step 4: Simplify right side
    879,061.12x = 456,419,221,508.10
  5. Step 5: Solve for x
    x = 456,419,221,508.10/879,061.12
  6. Step 6: Final answer
    x = 519,212.16

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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.