Home / 958,886.32-1,438,971.60-397,921.36

Finding the Fourth Proportional to 958,886.32, 1,438,971.60 and 397,921.36

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Solution

The fourth proportional to 958,886.32, 1,438,971.60 and 397,921.36 is: 597,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,886.32 : 1,438,971.60 = 397,921.36 : x
  2. Step 2: Convert to fraction form
    958,886.32/1,438,971.60 = 397,921.36/x
  3. Step 3: Cross multiply
    958,886.32x = 1,438,971.60 × 397,921.36
  4. Step 4: Simplify right side
    958,886.32x = 572,597,536,073.38
  5. Step 5: Solve for x
    x = 572,597,536,073.38/958,886.32
  6. Step 6: Final answer
    x = 597,148.51

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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.