Home / 840,469.68-1,159,842.80-477,893.54

Finding the Fourth Proportional to 840,469.68, 1,159,842.80 and 477,893.54

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Solution

The fourth proportional to 840,469.68, 1,159,842.80 and 477,893.54 is: 659,490.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,469.68 : 1,159,842.80 = 477,893.54 : x
  2. Step 2: Convert to fraction form
    840,469.68/1,159,842.80 = 477,893.54/x
  3. Step 3: Cross multiply
    840,469.68x = 1,159,842.80 × 477,893.54
  4. Step 4: Simplify right side
    840,469.68x = 554,281,381,535.51
  5. Step 5: Solve for x
    x = 554,281,381,535.51/840,469.68
  6. Step 6: Final answer
    x = 659,490.04

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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.