Home / 925,639-1,386,489.66-546,150.76

Finding the Fourth Proportional to 925,639, 1,386,489.66 and 546,150.76

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Solution

The fourth proportional to 925,639, 1,386,489.66 and 546,150.76 is: 818,064.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,639 : 1,386,489.66 = 546,150.76 : x
  2. Step 2: Convert to fraction form
    925,639/1,386,489.66 = 546,150.76/x
  3. Step 3: Cross multiply
    925,639x = 1,386,489.66 × 546,150.76
  4. Step 4: Simplify right side
    925,639x = 757,232,381,541.14
  5. Step 5: Solve for x
    x = 757,232,381,541.14/925,639
  6. Step 6: Final answer
    x = 818,064.47

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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.