Home / 840,179.71-1,159,248.67-477,575.02

Finding the Fourth Proportional to 840,179.71, 1,159,248.67 and 477,575.02

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Solution

The fourth proportional to 840,179.71, 1,159,248.67 and 477,575.02 is: 658,940.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,179.71 : 1,159,248.67 = 477,575.02 : x
  2. Step 2: Convert to fraction form
    840,179.71/1,159,248.67 = 477,575.02/x
  3. Step 3: Cross multiply
    840,179.71x = 1,159,248.67 × 477,575.02
  4. Step 4: Simplify right side
    840,179.71x = 553,628,206,760.22
  5. Step 5: Solve for x
    x = 553,628,206,760.22/840,179.71
  6. Step 6: Final answer
    x = 658,940.22

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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.