Home / 555,867.69-766,815.71-351,574.55

Finding the Fourth Proportional to 555,867.69, 766,815.71 and 351,574.55

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Solution

The fourth proportional to 555,867.69, 766,815.71 and 351,574.55 is: 484,994.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,867.69 : 766,815.71 = 351,574.55 : x
  2. Step 2: Convert to fraction form
    555,867.69/766,815.71 = 351,574.55/x
  3. Step 3: Cross multiply
    555,867.69x = 766,815.71 × 351,574.55
  4. Step 4: Simplify right side
    555,867.69x = 269,592,888,176.18
  5. Step 5: Solve for x
    x = 269,592,888,176.18/555,867.69
  6. Step 6: Final answer
    x = 484,994.71

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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.