Home / 870,889.32-1,201,958.46-531,554.76

Finding the Fourth Proportional to 870,889.32, 1,201,958.46 and 531,554.76

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Solution

The fourth proportional to 870,889.32, 1,201,958.46 and 531,554.76 is: 733,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,889.32 : 1,201,958.46 = 531,554.76 : x
  2. Step 2: Convert to fraction form
    870,889.32/1,201,958.46 = 531,554.76/x
  3. Step 3: Cross multiply
    870,889.32x = 1,201,958.46 × 531,554.76
  4. Step 4: Simplify right side
    870,889.32x = 638,906,740,735.27
  5. Step 5: Solve for x
    x = 638,906,740,735.27/870,889.32
  6. Step 6: Final answer
    x = 733,625.65

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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.