Home / 979,684.38-1,352,009.30-544,103.46

Finding the Fourth Proportional to 979,684.38, 1,352,009.30 and 544,103.46

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Solution

The fourth proportional to 979,684.38, 1,352,009.30 and 544,103.46 is: 750,887.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,684.38 : 1,352,009.30 = 544,103.46 : x
  2. Step 2: Convert to fraction form
    979,684.38/1,352,009.30 = 544,103.46/x
  3. Step 3: Cross multiply
    979,684.38x = 1,352,009.30 × 544,103.46
  4. Step 4: Simplify right side
    979,684.38x = 735,632,935,361.66
  5. Step 5: Solve for x
    x = 735,632,935,361.66/979,684.38
  6. Step 6: Final answer
    x = 750,887.68

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1.5x scale

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.