Home / 515,032.46-772,645.60-207,307.96

Finding the Fourth Proportional to 515,032.46, 772,645.60 and 207,307.96

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Solution

The fourth proportional to 515,032.46, 772,645.60 and 207,307.96 is: 311,000.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,032.46 : 772,645.60 = 207,307.96 : x
  2. Step 2: Convert to fraction form
    515,032.46/772,645.60 = 207,307.96/x
  3. Step 3: Cross multiply
    515,032.46x = 772,645.60 × 207,307.96
  4. Step 4: Simplify right side
    515,032.46x = 160,175,581,466.50
  5. Step 5: Solve for x
    x = 160,175,581,466.50/515,032.46
  6. Step 6: Final answer
    x = 311,000.95

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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.