Home / 804,078.30-1,109,684.76-531,672.86

Finding the Fourth Proportional to 804,078.30, 1,109,684.76 and 531,672.86

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Solution

The fourth proportional to 804,078.30, 1,109,684.76 and 531,672.86 is: 733,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,078.30 : 1,109,684.76 = 531,672.86 : x
  2. Step 2: Convert to fraction form
    804,078.30/1,109,684.76 = 531,672.86/x
  3. Step 3: Cross multiply
    804,078.30x = 1,109,684.76 × 531,672.86
  4. Step 4: Simplify right side
    804,078.30x = 589,989,270,047.61
  5. Step 5: Solve for x
    x = 589,989,270,047.61/804,078.30
  6. Step 6: Final answer
    x = 733,746.04

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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.