Home / 885,932.32-1,328,997.84-324,965.20

Finding the Fourth Proportional to 885,932.32, 1,328,997.84 and 324,965.20

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Solution

The fourth proportional to 885,932.32, 1,328,997.84 and 324,965.20 is: 487,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,932.32 : 1,328,997.84 = 324,965.20 : x
  2. Step 2: Convert to fraction form
    885,932.32/1,328,997.84 = 324,965.20/x
  3. Step 3: Cross multiply
    885,932.32x = 1,328,997.84 × 324,965.20
  4. Step 4: Simplify right side
    885,932.32x = 431,878,048,875.17
  5. Step 5: Solve for x
    x = 431,878,048,875.17/885,932.32
  6. Step 6: Final answer
    x = 487,484.25

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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.