Home / 477,870.07-659,455.69-263,005.52

Finding the Fourth Proportional to 477,870.07, 659,455.69 and 263,005.52

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Solution

The fourth proportional to 477,870.07, 659,455.69 and 263,005.52 is: 362,944.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,870.07 : 659,455.69 = 263,005.52 : x
  2. Step 2: Convert to fraction form
    477,870.07/659,455.69 = 263,005.52/x
  3. Step 3: Cross multiply
    477,870.07x = 659,455.69 × 263,005.52
  4. Step 4: Simplify right side
    477,870.07x = 173,440,486,665.41
  5. Step 5: Solve for x
    x = 173,440,486,665.41/477,870.07
  6. Step 6: Final answer
    x = 362,944.86

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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.