Home / 542,928.39-749,331.12-301,288.59

Finding the Fourth Proportional to 542,928.39, 749,331.12 and 301,288.59

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Solution

The fourth proportional to 542,928.39, 749,331.12 and 301,288.59 is: 415,828.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,928.39 : 749,331.12 = 301,288.59 : x
  2. Step 2: Convert to fraction form
    542,928.39/749,331.12 = 301,288.59/x
  3. Step 3: Cross multiply
    542,928.39x = 749,331.12 × 301,288.59
  4. Step 4: Simplify right side
    542,928.39x = 225,764,916,587.92
  5. Step 5: Solve for x
    x = 225,764,916,587.92/542,928.39
  6. Step 6: Final answer
    x = 415,828.17

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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.