Home / 542,927.19-749,329.46-301,287.39

Finding the Fourth Proportional to 542,927.19, 749,329.46 and 301,287.39

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Solution

The fourth proportional to 542,927.19, 749,329.46 and 301,287.39 is: 415,826.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,927.19 : 749,329.46 = 301,287.39 : x
  2. Step 2: Convert to fraction form
    542,927.19/749,329.46 = 301,287.39/x
  3. Step 3: Cross multiply
    542,927.19x = 749,329.46 × 301,287.39
  4. Step 4: Simplify right side
    542,927.19x = 225,763,517,253.51
  5. Step 5: Solve for x
    x = 225,763,517,253.51/542,927.19
  6. Step 6: Final answer
    x = 415,826.51

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Double scale
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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.