Home / 477,645.20-659,150.35-262,780.65

Finding the Fourth Proportional to 477,645.20, 659,150.35 and 262,780.65

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Solution

The fourth proportional to 477,645.20, 659,150.35 and 262,780.65 is: 362,637.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,645.20 : 659,150.35 = 262,780.65 : x
  2. Step 2: Convert to fraction form
    477,645.20/659,150.35 = 262,780.65/x
  3. Step 3: Cross multiply
    477,645.20x = 659,150.35 × 262,780.65
  4. Step 4: Simplify right side
    477,645.20x = 173,211,956,106.82
  5. Step 5: Solve for x
    x = 173,211,956,106.82/477,645.20
  6. Step 6: Final answer
    x = 362,637.28

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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.