Home / 864,009.98-1,192,334.52-482,036.87

Finding the Fourth Proportional to 864,009.98, 1,192,334.52 and 482,036.87

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Solution

The fourth proportional to 864,009.98, 1,192,334.52 and 482,036.87 is: 665,211.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,009.98 : 1,192,334.52 = 482,036.87 : x
  2. Step 2: Convert to fraction form
    864,009.98/1,192,334.52 = 482,036.87/x
  3. Step 3: Cross multiply
    864,009.98x = 1,192,334.52 × 482,036.87
  4. Step 4: Simplify right side
    864,009.98x = 574,749,200,013.75
  5. Step 5: Solve for x
    x = 574,749,200,013.75/864,009.98
  6. Step 6: Final answer
    x = 665,211.30

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1.5x scale

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.