Home / 829,809.60-1,241,949.60-730,276.80

Finding the Fourth Proportional to 829,809.60, 1,241,949.60 and 730,276.80

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Solution

The fourth proportional to 829,809.60, 1,241,949.60 and 730,276.80 is: 1,092,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,809.60 : 1,241,949.60 = 730,276.80 : x
  2. Step 2: Convert to fraction form
    829,809.60/1,241,949.60 = 730,276.80/x
  3. Step 3: Cross multiply
    829,809.60x = 1,241,949.60 × 730,276.80
  4. Step 4: Simplify right side
    829,809.60x = 906,966,979,649.28
  5. Step 5: Solve for x
    x = 906,966,979,649.28/829,809.60
  6. Step 6: Final answer
    x = 1,092,982.03

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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.