Home / 750,301.20-1,125,451.80-301,091.40

Finding the Fourth Proportional to 750,301.20, 1,125,451.80 and 301,091.40

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Solution

The fourth proportional to 750,301.20, 1,125,451.80 and 301,091.40 is: 451,637.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,301.20 : 1,125,451.80 = 301,091.40 : x
  2. Step 2: Convert to fraction form
    750,301.20/1,125,451.80 = 301,091.40/x
  3. Step 3: Cross multiply
    750,301.20x = 1,125,451.80 × 301,091.40
  4. Step 4: Simplify right side
    750,301.20x = 338,863,858,094.52
  5. Step 5: Solve for x
    x = 338,863,858,094.52/750,301.20
  6. Step 6: Final answer
    x = 451,637.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.