Home / 864,254.12-1,192,749.84-477,138.92

Finding the Fourth Proportional to 864,254.12, 1,192,749.84 and 477,138.92

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Solution

The fourth proportional to 864,254.12, 1,192,749.84 and 477,138.92 is: 658,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,254.12 : 1,192,749.84 = 477,138.92 : x
  2. Step 2: Convert to fraction form
    864,254.12/1,192,749.84 = 477,138.92/x
  3. Step 3: Cross multiply
    864,254.12x = 1,192,749.84 × 477,138.92
  4. Step 4: Simplify right side
    864,254.12x = 569,107,364,524.02
  5. Step 5: Solve for x
    x = 569,107,364,524.02/864,254.12
  6. Step 6: Final answer
    x = 658,495.41

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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.