Home / 896,690.13-1,344,100.97-391,115.36

Finding the Fourth Proportional to 896,690.13, 1,344,100.97 and 391,115.36

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Solution

The fourth proportional to 896,690.13, 1,344,100.97 and 391,115.36 is: 586,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,690.13 : 1,344,100.97 = 391,115.36 : x
  2. Step 2: Convert to fraction form
    896,690.13/1,344,100.97 = 391,115.36/x
  3. Step 3: Cross multiply
    896,690.13x = 1,344,100.97 × 391,115.36
  4. Step 4: Simplify right side
    896,690.13x = 525,698,526,081.82
  5. Step 5: Solve for x
    x = 525,698,526,081.82/896,690.13
  6. Step 6: Final answer
    x = 586,265.54

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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.