Home / 870,724.24-1,306,168.80-338,286.34

Finding the Fourth Proportional to 870,724.24, 1,306,168.80 and 338,286.34

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Solution

The fourth proportional to 870,724.24, 1,306,168.80 and 338,286.34 is: 507,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,724.24 : 1,306,168.80 = 338,286.34 : x
  2. Step 2: Convert to fraction form
    870,724.24/1,306,168.80 = 338,286.34/x
  3. Step 3: Cross multiply
    870,724.24x = 1,306,168.80 × 338,286.34
  4. Step 4: Simplify right side
    870,724.24x = 441,859,062,774.19
  5. Step 5: Solve for x
    x = 441,859,062,774.19/870,724.24
  6. Step 6: Final answer
    x = 507,461.54

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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.