Home / 634,982.28-876,211.74-380,326.92

Finding the Fourth Proportional to 634,982.28, 876,211.74 and 380,326.92

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Solution

The fourth proportional to 634,982.28, 876,211.74 and 380,326.92 is: 524,812.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,982.28 : 876,211.74 = 380,326.92 : x
  2. Step 2: Convert to fraction form
    634,982.28/876,211.74 = 380,326.92/x
  3. Step 3: Cross multiply
    634,982.28x = 876,211.74 × 380,326.92
  4. Step 4: Simplify right side
    634,982.28x = 333,246,912,342.04
  5. Step 5: Solve for x
    x = 333,246,912,342.04/634,982.28
  6. Step 6: Final answer
    x = 524,812.93

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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.