Home / 651,685.20-976,750.20-272,605.20

Finding the Fourth Proportional to 651,685.20, 976,750.20 and 272,605.20

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Solution

The fourth proportional to 651,685.20, 976,750.20 and 272,605.20 is: 408,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,685.20 : 976,750.20 = 272,605.20 : x
  2. Step 2: Convert to fraction form
    651,685.20/976,750.20 = 272,605.20/x
  3. Step 3: Cross multiply
    651,685.20x = 976,750.20 × 272,605.20
  4. Step 4: Simplify right side
    651,685.20x = 266,267,183,621.04
  5. Step 5: Solve for x
    x = 266,267,183,621.04/651,685.20
  6. Step 6: Final answer
    x = 408,582.52

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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.