Home / 477,934.90-659,613.14-286,960.59

Finding the Fourth Proportional to 477,934.90, 659,613.14 and 286,960.59

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Solution

The fourth proportional to 477,934.90, 659,613.14 and 286,960.59 is: 396,043.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,934.90 : 659,613.14 = 286,960.59 : x
  2. Step 2: Convert to fraction form
    477,934.90/659,613.14 = 286,960.59/x
  3. Step 3: Cross multiply
    477,934.90x = 659,613.14 × 286,960.59
  4. Step 4: Simplify right side
    477,934.90x = 189,282,975,826.15
  5. Step 5: Solve for x
    x = 189,282,975,826.15/477,934.90
  6. Step 6: Final answer
    x = 396,043.43

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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.