Home / 727,546.60-1,091,838.30-307,124.20

Finding the Fourth Proportional to 727,546.60, 1,091,838.30 and 307,124.20

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Solution

The fourth proportional to 727,546.60, 1,091,838.30 and 307,124.20 is: 460,905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,546.60 : 1,091,838.30 = 307,124.20 : x
  2. Step 2: Convert to fraction form
    727,546.60/1,091,838.30 = 307,124.20/x
  3. Step 3: Cross multiply
    727,546.60x = 1,091,838.30 × 307,124.20
  4. Step 4: Simplify right side
    727,546.60x = 335,329,964,416.86
  5. Step 5: Solve for x
    x = 335,329,964,416.86/727,546.60
  6. Step 6: Final answer
    x = 460,905.14

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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.