Home / 346,786.20-519,401.70-284,578.20

Finding the Fourth Proportional to 346,786.20, 519,401.70 and 284,578.20

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Solution

The fourth proportional to 346,786.20, 519,401.70 and 284,578.20 is: 426,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,786.20 : 519,401.70 = 284,578.20 : x
  2. Step 2: Convert to fraction form
    346,786.20/519,401.70 = 284,578.20/x
  3. Step 3: Cross multiply
    346,786.20x = 519,401.70 × 284,578.20
  4. Step 4: Simplify right side
    346,786.20x = 147,810,400,862.94
  5. Step 5: Solve for x
    x = 147,810,400,862.94/346,786.20
  6. Step 6: Final answer
    x = 426,229.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.