Home / 912,268.80-1,368,009.36-350,910.72

Finding the Fourth Proportional to 912,268.80, 1,368,009.36 and 350,910.72

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Solution

The fourth proportional to 912,268.80, 1,368,009.36 and 350,910.72 is: 526,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,268.80 : 1,368,009.36 = 350,910.72 : x
  2. Step 2: Convert to fraction form
    912,268.80/1,368,009.36 = 350,910.72/x
  3. Step 3: Cross multiply
    912,268.80x = 1,368,009.36 × 350,910.72
  4. Step 4: Simplify right side
    912,268.80x = 480,049,149,484.34
  5. Step 5: Solve for x
    x = 480,049,149,484.34/912,268.80
  6. Step 6: Final answer
    x = 526,214.59

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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.