Home / 346,788.20-519,404.70-284,580.20

Finding the Fourth Proportional to 346,788.20, 519,404.70 and 284,580.20

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Solution

The fourth proportional to 346,788.20, 519,404.70 and 284,580.20 is: 426,232.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,788.20 : 519,404.70 = 284,580.20 : x
  2. Step 2: Convert to fraction form
    346,788.20/519,404.70 = 284,580.20/x
  3. Step 3: Cross multiply
    346,788.20x = 519,404.70 × 284,580.20
  4. Step 4: Simplify right side
    346,788.20x = 147,812,293,406.94
  5. Step 5: Solve for x
    x = 147,812,293,406.94/346,788.20
  6. Step 6: Final answer
    x = 426,232.19

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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.