Home / 498,867.76-688,452.64-272,527.84

Finding the Fourth Proportional to 498,867.76, 688,452.64 and 272,527.84

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Solution

The fourth proportional to 498,867.76, 688,452.64 and 272,527.84 is: 376,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,867.76 : 688,452.64 = 272,527.84 : x
  2. Step 2: Convert to fraction form
    498,867.76/688,452.64 = 272,527.84/x
  3. Step 3: Cross multiply
    498,867.76x = 688,452.64 × 272,527.84
  4. Step 4: Simplify right side
    498,867.76x = 187,622,510,921.50
  5. Step 5: Solve for x
    x = 187,622,510,921.50/498,867.76
  6. Step 6: Final answer
    x = 376,096.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.