Home / 827,111.08-1,240,832.67-377,711.29

Finding the Fourth Proportional to 827,111.08, 1,240,832.67 and 377,711.29

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Solution

The fourth proportional to 827,111.08, 1,240,832.67 and 377,711.29 is: 566,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,111.08 : 1,240,832.67 = 377,711.29 : x
  2. Step 2: Convert to fraction form
    827,111.08/1,240,832.67 = 377,711.29/x
  3. Step 3: Cross multiply
    827,111.08x = 1,240,832.67 × 377,711.29
  4. Step 4: Simplify right side
    827,111.08x = 468,676,508,459.84
  5. Step 5: Solve for x
    x = 468,676,508,459.84/827,111.08
  6. Step 6: Final answer
    x = 566,642.76

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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.