Home / 753,187.96-1,039,407.56-413,656.20

Finding the Fourth Proportional to 753,187.96, 1,039,407.56 and 413,656.20

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Solution

The fourth proportional to 753,187.96, 1,039,407.56 and 413,656.20 is: 570,850.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,187.96 : 1,039,407.56 = 413,656.20 : x
  2. Step 2: Convert to fraction form
    753,187.96/1,039,407.56 = 413,656.20/x
  3. Step 3: Cross multiply
    753,187.96x = 1,039,407.56 × 413,656.20
  4. Step 4: Simplify right side
    753,187.96x = 429,957,381,520.87
  5. Step 5: Solve for x
    x = 429,957,381,520.87/753,187.96
  6. Step 6: Final answer
    x = 570,850.05

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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.