Home / 891,523.92-1,336,346.76-292,328.88

Finding the Fourth Proportional to 891,523.92, 1,336,346.76 and 292,328.88

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Solution

The fourth proportional to 891,523.92, 1,336,346.76 and 292,328.88 is: 438,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,523.92 : 1,336,346.76 = 292,328.88 : x
  2. Step 2: Convert to fraction form
    891,523.92/1,336,346.76 = 292,328.88/x
  3. Step 3: Cross multiply
    891,523.92x = 1,336,346.76 × 292,328.88
  4. Step 4: Simplify right side
    891,523.92x = 390,652,751,642.43
  5. Step 5: Solve for x
    x = 390,652,751,642.43/891,523.92
  6. Step 6: Final answer
    x = 438,185.38

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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.