Home / 827,537.60-1,241,920.80-329,259.20

Finding the Fourth Proportional to 827,537.60, 1,241,920.80 and 329,259.20

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Solution

The fourth proportional to 827,537.60, 1,241,920.80 and 329,259.20 is: 494,133.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,537.60 : 1,241,920.80 = 329,259.20 : x
  2. Step 2: Convert to fraction form
    827,537.60/1,241,920.80 = 329,259.20/x
  3. Step 3: Cross multiply
    827,537.60x = 1,241,920.80 × 329,259.20
  4. Step 4: Simplify right side
    827,537.60x = 408,913,849,071.36
  5. Step 5: Solve for x
    x = 408,913,849,071.36/827,537.60
  6. Step 6: Final answer
    x = 494,133.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.