Home / 725,618.10-1,088,427.34-213,283.32

Finding the Fourth Proportional to 725,618.10, 1,088,427.34 and 213,283.32

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Solution

The fourth proportional to 725,618.10, 1,088,427.34 and 213,283.32 is: 319,925.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,618.10 : 1,088,427.34 = 213,283.32 : x
  2. Step 2: Convert to fraction form
    725,618.10/1,088,427.34 = 213,283.32/x
  3. Step 3: Cross multiply
    725,618.10x = 1,088,427.34 × 213,283.32
  4. Step 4: Simplify right side
    725,618.10x = 232,143,395,900.17
  5. Step 5: Solve for x
    x = 232,143,395,900.17/725,618.10
  6. Step 6: Final answer
    x = 319,925.04

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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.