Home / 827,263.95-1,240,896.90-258,648.05

Finding the Fourth Proportional to 827,263.95, 1,240,896.90 and 258,648.05

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Solution

The fourth proportional to 827,263.95, 1,240,896.90 and 258,648.05 is: 387,972.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,263.95 : 1,240,896.90 = 258,648.05 : x
  2. Step 2: Convert to fraction form
    827,263.95/1,240,896.90 = 258,648.05/x
  3. Step 3: Cross multiply
    827,263.95x = 1,240,896.90 × 258,648.05
  4. Step 4: Simplify right side
    827,263.95x = 320,955,566,538.29
  5. Step 5: Solve for x
    x = 320,955,566,538.29/827,263.95
  6. Step 6: Final answer
    x = 387,972.38

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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.