Home / 651,280.42-977,252.73-314,608.17

Finding the Fourth Proportional to 651,280.42, 977,252.73 and 314,608.17

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Solution

The fourth proportional to 651,280.42, 977,252.73 and 314,608.17 is: 472,072.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,280.42 : 977,252.73 = 314,608.17 : x
  2. Step 2: Convert to fraction form
    651,280.42/977,252.73 = 314,608.17/x
  3. Step 3: Cross multiply
    651,280.42x = 977,252.73 × 314,608.17
  4. Step 4: Simplify right side
    651,280.42x = 307,451,693,012.80
  5. Step 5: Solve for x
    x = 307,451,693,012.80/651,280.42
  6. Step 6: Final answer
    x = 472,072.68

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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.