Home / 896,721.12-1,344,147.33-391,146.26

Finding the Fourth Proportional to 896,721.12, 1,344,147.33 and 391,146.26

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Solution

The fourth proportional to 896,721.12, 1,344,147.33 and 391,146.26 is: 586,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,721.12 : 1,344,147.33 = 391,146.26 : x
  2. Step 2: Convert to fraction form
    896,721.12/1,344,147.33 = 391,146.26/x
  3. Step 3: Cross multiply
    896,721.12x = 1,344,147.33 × 391,146.26
  4. Step 4: Simplify right side
    896,721.12x = 525,758,194,297.75
  5. Step 5: Solve for x
    x = 525,758,194,297.75/896,721.12
  6. Step 6: Final answer
    x = 586,311.82

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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.