Home / 651,527.20-976,513.20-272,447.20

Finding the Fourth Proportional to 651,527.20, 976,513.20 and 272,447.20

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Solution

The fourth proportional to 651,527.20, 976,513.20 and 272,447.20 is: 408,345.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,527.20 : 976,513.20 = 272,447.20 : x
  2. Step 2: Convert to fraction form
    651,527.20/976,513.20 = 272,447.20/x
  3. Step 3: Cross multiply
    651,527.20x = 976,513.20 × 272,447.20
  4. Step 4: Simplify right side
    651,527.20x = 266,048,287,103.04
  5. Step 5: Solve for x
    x = 266,048,287,103.04/651,527.20
  6. Step 6: Final answer
    x = 408,345.63

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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.