Home / 862,029.01-1,189,514.88-480,091.33

Finding the Fourth Proportional to 862,029.01, 1,189,514.88 and 480,091.33

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Solution

The fourth proportional to 862,029.01, 1,189,514.88 and 480,091.33 is: 662,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,029.01 : 1,189,514.88 = 480,091.33 : x
  2. Step 2: Convert to fraction form
    862,029.01/1,189,514.88 = 480,091.33/x
  3. Step 3: Cross multiply
    862,029.01x = 1,189,514.88 × 480,091.33
  4. Step 4: Simplify right side
    862,029.01x = 571,075,780,793.99
  5. Step 5: Solve for x
    x = 571,075,780,793.99/862,029.01
  6. Step 6: Final answer
    x = 662,478.61

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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.