Home / 840,473.43-1,159,847.96-477,897.29

Finding the Fourth Proportional to 840,473.43, 1,159,847.96 and 477,897.29

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Solution

The fourth proportional to 840,473.43, 1,159,847.96 and 477,897.29 is: 659,495.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,473.43 : 1,159,847.96 = 477,897.29 : x
  2. Step 2: Convert to fraction form
    840,473.43/1,159,847.96 = 477,897.29/x
  3. Step 3: Cross multiply
    840,473.43x = 1,159,847.96 × 477,897.29
  4. Step 4: Simplify right side
    840,473.43x = 554,288,196,896.03
  5. Step 5: Solve for x
    x = 554,288,196,896.03/840,473.43
  6. Step 6: Final answer
    x = 659,495.20

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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.