Home / 672,162.55-1,008,664.13-272,803.28

Finding the Fourth Proportional to 672,162.55, 1,008,664.13 and 272,803.28

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Solution

The fourth proportional to 672,162.55, 1,008,664.13 and 272,803.28 is: 409,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,162.55 : 1,008,664.13 = 272,803.28 : x
  2. Step 2: Convert to fraction form
    672,162.55/1,008,664.13 = 272,803.28/x
  3. Step 3: Cross multiply
    672,162.55x = 1,008,664.13 × 272,803.28
  4. Step 4: Simplify right side
    672,162.55x = 275,166,878,721.03
  5. Step 5: Solve for x
    x = 275,166,878,721.03/672,162.55
  6. Step 6: Final answer
    x = 409,375.50

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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.