Home / 766,904.60-1,150,346.10-346,179.80

Finding the Fourth Proportional to 766,904.60, 1,150,346.10 and 346,179.80

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Solution

The fourth proportional to 766,904.60, 1,150,346.10 and 346,179.80 is: 519,264.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,904.60 : 1,150,346.10 = 346,179.80 : x
  2. Step 2: Convert to fraction form
    766,904.60/1,150,346.10 = 346,179.80/x
  3. Step 3: Cross multiply
    766,904.60x = 1,150,346.10 × 346,179.80
  4. Step 4: Simplify right side
    766,904.60x = 398,226,582,828.78
  5. Step 5: Solve for x
    x = 398,226,582,828.78/766,904.60
  6. Step 6: Final answer
    x = 519,264.82

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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.