Home / 766,832.10-1,150,237.35-346,107.30

Finding the Fourth Proportional to 766,832.10, 1,150,237.35 and 346,107.30

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Solution

The fourth proportional to 766,832.10, 1,150,237.35 and 346,107.30 is: 519,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,832.10 : 1,150,237.35 = 346,107.30 : x
  2. Step 2: Convert to fraction form
    766,832.10/1,150,237.35 = 346,107.30/x
  3. Step 3: Cross multiply
    766,832.10x = 1,150,237.35 × 346,107.30
  4. Step 4: Simplify right side
    766,832.10x = 398,105,543,567.66
  5. Step 5: Solve for x
    x = 398,105,543,567.66/766,832.10
  6. Step 6: Final answer
    x = 519,156.08

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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.