Home / 651,042.95-976,564.53-271,756.78

Finding the Fourth Proportional to 651,042.95, 976,564.53 and 271,756.78

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Solution

The fourth proportional to 651,042.95, 976,564.53 and 271,756.78 is: 407,635.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,042.95 : 976,564.53 = 271,756.78 : x
  2. Step 2: Convert to fraction form
    651,042.95/976,564.53 = 271,756.78/x
  3. Step 3: Cross multiply
    651,042.95x = 976,564.53 × 271,756.78
  4. Step 4: Simplify right side
    651,042.95x = 265,388,029,693.60
  5. Step 5: Solve for x
    x = 265,388,029,693.60/651,042.95
  6. Step 6: Final answer
    x = 407,635.21

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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.