Home / 727,590.15-1,091,334.40-272,094.70

Finding the Fourth Proportional to 727,590.15, 1,091,334.40 and 272,094.70

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Solution

The fourth proportional to 727,590.15, 1,091,334.40 and 272,094.70 is: 408,123.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,590.15 : 1,091,334.40 = 272,094.70 : x
  2. Step 2: Convert to fraction form
    727,590.15/1,091,334.40 = 272,094.70/x
  3. Step 3: Cross multiply
    727,590.15x = 1,091,334.40 × 272,094.70
  4. Step 4: Simplify right side
    727,590.15x = 296,946,306,167.68
  5. Step 5: Solve for x
    x = 296,946,306,167.68/727,590.15
  6. Step 6: Final answer
    x = 408,123.04

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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.