Home / 651,612.20-976,640.70-272,532.20

Finding the Fourth Proportional to 651,612.20, 976,640.70 and 272,532.20

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Solution

The fourth proportional to 651,612.20, 976,640.70 and 272,532.20 is: 408,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,612.20 : 976,640.70 = 272,532.20 : x
  2. Step 2: Convert to fraction form
    651,612.20/976,640.70 = 272,532.20/x
  3. Step 3: Cross multiply
    651,612.20x = 976,640.70 × 272,532.20
  4. Step 4: Simplify right side
    651,612.20x = 266,166,038,580.54
  5. Step 5: Solve for x
    x = 266,166,038,580.54/651,612.20
  6. Step 6: Final answer
    x = 408,473.07

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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.