Home / 680,655.03-1,021,099.19-207,252.15

Finding the Fourth Proportional to 680,655.03, 1,021,099.19 and 207,252.15

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Solution

The fourth proportional to 680,655.03, 1,021,099.19 and 207,252.15 is: 310,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,655.03 : 1,021,099.19 = 207,252.15 : x
  2. Step 2: Convert to fraction form
    680,655.03/1,021,099.19 = 207,252.15/x
  3. Step 3: Cross multiply
    680,655.03x = 1,021,099.19 × 207,252.15
  4. Step 4: Simplify right side
    680,655.03x = 211,625,001,454.50
  5. Step 5: Solve for x
    x = 211,625,001,454.50/680,655.03
  6. Step 6: Final answer
    x = 310,913.74

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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.