Home / 510,352.41-704,280.75-280,904.79

Finding the Fourth Proportional to 510,352.41, 704,280.75 and 280,904.79

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Solution

The fourth proportional to 510,352.41, 704,280.75 and 280,904.79 is: 387,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,352.41 : 704,280.75 = 280,904.79 : x
  2. Step 2: Convert to fraction form
    510,352.41/704,280.75 = 280,904.79/x
  3. Step 3: Cross multiply
    510,352.41x = 704,280.75 × 280,904.79
  4. Step 4: Simplify right side
    510,352.41x = 197,835,836,179.79
  5. Step 5: Solve for x
    x = 197,835,836,179.79/510,352.41
  6. Step 6: Final answer
    x = 387,645.54

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1.5x scale

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.