Home / 587,140.98-810,240.74-345,439.10

Finding the Fourth Proportional to 587,140.98, 810,240.74 and 345,439.10

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Solution

The fourth proportional to 587,140.98, 810,240.74 and 345,439.10 is: 476,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,140.98 : 810,240.74 = 345,439.10 : x
  2. Step 2: Convert to fraction form
    587,140.98/810,240.74 = 345,439.10/x
  3. Step 3: Cross multiply
    587,140.98x = 810,240.74 × 345,439.10
  4. Step 4: Simplify right side
    587,140.98x = 279,888,832,008.93
  5. Step 5: Solve for x
    x = 279,888,832,008.93/587,140.98
  6. Step 6: Final answer
    x = 476,697.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.