Home / 979,879.29-1,352,187.72-544,324.89

Finding the Fourth Proportional to 979,879.29, 1,352,187.72 and 544,324.89

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Solution

The fourth proportional to 979,879.29, 1,352,187.72 and 544,324.89 is: 751,142.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,879.29 : 1,352,187.72 = 544,324.89 : x
  2. Step 2: Convert to fraction form
    979,879.29/1,352,187.72 = 544,324.89/x
  3. Step 3: Cross multiply
    979,879.29x = 1,352,187.72 × 544,324.89
  4. Step 4: Simplify right side
    979,879.29x = 736,029,431,948.35
  5. Step 5: Solve for x
    x = 736,029,431,948.35/979,879.29
  6. Step 6: Final answer
    x = 751,142.96

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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.