Home / 727,705.11-1,091,674.32-307,042.95

Finding the Fourth Proportional to 727,705.11, 1,091,674.32 and 307,042.95

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Solution

The fourth proportional to 727,705.11, 1,091,674.32 and 307,042.95 is: 460,613.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,705.11 : 1,091,674.32 = 307,042.95 : x
  2. Step 2: Convert to fraction form
    727,705.11/1,091,674.32 = 307,042.95/x
  3. Step 3: Cross multiply
    727,705.11x = 1,091,674.32 × 307,042.95
  4. Step 4: Simplify right side
    727,705.11x = 335,190,903,652.04
  5. Step 5: Solve for x
    x = 335,190,903,652.04/727,705.11
  6. Step 6: Final answer
    x = 460,613.65

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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.