Home / 945,760.40-1,305,630.72-730,417.04

Finding the Fourth Proportional to 945,760.40, 1,305,630.72 and 730,417.04

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Solution

The fourth proportional to 945,760.40, 1,305,630.72 and 730,417.04 is: 1,008,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,760.40 : 1,305,630.72 = 730,417.04 : x
  2. Step 2: Convert to fraction form
    945,760.40/1,305,630.72 = 730,417.04/x
  3. Step 3: Cross multiply
    945,760.40x = 1,305,630.72 × 730,417.04
  4. Step 4: Simplify right side
    945,760.40x = 953,654,925,835.47
  5. Step 5: Solve for x
    x = 953,654,925,835.47/945,760.40
  6. Step 6: Final answer
    x = 1,008,347.28

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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.