Home / 542,890.04-749,189.13-301,172.62

Finding the Fourth Proportional to 542,890.04, 749,189.13 and 301,172.62

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Solution

The fourth proportional to 542,890.04, 749,189.13 and 301,172.62 is: 415,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,890.04 : 749,189.13 = 301,172.62 : x
  2. Step 2: Convert to fraction form
    542,890.04/749,189.13 = 301,172.62/x
  3. Step 3: Cross multiply
    542,890.04x = 749,189.13 × 301,172.62
  4. Step 4: Simplify right side
    542,890.04x = 225,635,251,284.65
  5. Step 5: Solve for x
    x = 225,635,251,284.65/542,890.04
  6. Step 6: Final answer
    x = 415,618.70

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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.