Home / 511,742.20-766,634.10-275,006.20

Finding the Fourth Proportional to 511,742.20, 766,634.10 and 275,006.20

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Solution

The fourth proportional to 511,742.20, 766,634.10 and 275,006.20 is: 411,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,742.20 : 766,634.10 = 275,006.20 : x
  2. Step 2: Convert to fraction form
    511,742.20/766,634.10 = 275,006.20/x
  3. Step 3: Cross multiply
    511,742.20x = 766,634.10 × 275,006.20
  4. Step 4: Simplify right side
    511,742.20x = 210,829,130,631.42
  5. Step 5: Solve for x
    x = 210,829,130,631.42/511,742.20
  6. Step 6: Final answer
    x = 411,983.09

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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.