Home / 793,702.80-1,189,387.80-319,561.20

Finding the Fourth Proportional to 793,702.80, 1,189,387.80 and 319,561.20

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Solution

The fourth proportional to 793,702.80, 1,189,387.80 and 319,561.20 is: 478,872.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,702.80 : 1,189,387.80 = 319,561.20 : x
  2. Step 2: Convert to fraction form
    793,702.80/1,189,387.80 = 319,561.20/x
  3. Step 3: Cross multiply
    793,702.80x = 1,189,387.80 × 319,561.20
  4. Step 4: Simplify right side
    793,702.80x = 380,082,192,633.36
  5. Step 5: Solve for x
    x = 380,082,192,633.36/793,702.80
  6. Step 6: Final answer
    x = 478,872.18

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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.