Home / 867,134.34-1,300,825.56-268,141.70

Finding the Fourth Proportional to 867,134.34, 1,300,825.56 and 268,141.70

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Solution

The fourth proportional to 867,134.34, 1,300,825.56 and 268,141.70 is: 402,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,134.34 : 1,300,825.56 = 268,141.70 : x
  2. Step 2: Convert to fraction form
    867,134.34/1,300,825.56 = 268,141.70/x
  3. Step 3: Cross multiply
    867,134.34x = 1,300,825.56 × 268,141.70
  4. Step 4: Simplify right side
    867,134.34x = 348,805,570,557.72
  5. Step 5: Solve for x
    x = 348,805,570,557.72/867,134.34
  6. Step 6: Final answer
    x = 402,250.90

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1.5x scale

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.