Home / 542,926.19-749,328.08-301,286.39

Finding the Fourth Proportional to 542,926.19, 749,328.08 and 301,286.39

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Solution

The fourth proportional to 542,926.19, 749,328.08 and 301,286.39 is: 415,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,926.19 : 749,328.08 = 301,286.39 : x
  2. Step 2: Convert to fraction form
    542,926.19/749,328.08 = 301,286.39/x
  3. Step 3: Cross multiply
    542,926.19x = 749,328.08 × 301,286.39
  4. Step 4: Simplify right side
    542,926.19x = 225,762,349,155.41
  5. Step 5: Solve for x
    x = 225,762,349,155.41/542,926.19
  6. Step 6: Final answer
    x = 415,825.12

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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.