Home / 486,067.40-670,833.60-282,074.52

Finding the Fourth Proportional to 486,067.40, 670,833.60 and 282,074.52

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Solution

The fourth proportional to 486,067.40, 670,833.60 and 282,074.52 is: 389,298.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,067.40 : 670,833.60 = 282,074.52 : x
  2. Step 2: Convert to fraction form
    486,067.40/670,833.60 = 282,074.52/x
  3. Step 3: Cross multiply
    486,067.40x = 670,833.60 × 282,074.52
  4. Step 4: Simplify right side
    486,067.40x = 189,225,065,719.87
  5. Step 5: Solve for x
    x = 189,225,065,719.87/486,067.40
  6. Step 6: Final answer
    x = 389,298.00

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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.