Home / 712,988.19-1,068,730.20-263,421.18

Finding the Fourth Proportional to 712,988.19, 1,068,730.20 and 263,421.18

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Solution

The fourth proportional to 712,988.19, 1,068,730.20 and 263,421.18 is: 394,853.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,988.19 : 1,068,730.20 = 263,421.18 : x
  2. Step 2: Convert to fraction form
    712,988.19/1,068,730.20 = 263,421.18/x
  3. Step 3: Cross multiply
    712,988.19x = 1,068,730.20 × 263,421.18
  4. Step 4: Simplify right side
    712,988.19x = 281,526,170,385.64
  5. Step 5: Solve for x
    x = 281,526,170,385.64/712,988.19
  6. Step 6: Final answer
    x = 394,853.90

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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.