Home / 840,441.34-1,159,863.86-477,898.93

Finding the Fourth Proportional to 840,441.34, 1,159,863.86 and 477,898.93

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Solution

The fourth proportional to 840,441.34, 1,159,863.86 and 477,898.93 is: 659,531.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,441.34 : 1,159,863.86 = 477,898.93 : x
  2. Step 2: Convert to fraction form
    840,441.34/1,159,863.86 = 477,898.93/x
  3. Step 3: Cross multiply
    840,441.34x = 1,159,863.86 × 477,898.93
  4. Step 4: Simplify right side
    840,441.34x = 554,297,692,350.52
  5. Step 5: Solve for x
    x = 554,297,692,350.52/840,441.34
  6. Step 6: Final answer
    x = 659,531.69

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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.