Home / 806,739.32-1,210,098.04-274,631.28

Finding the Fourth Proportional to 806,739.32, 1,210,098.04 and 274,631.28

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Solution

The fourth proportional to 806,739.32, 1,210,098.04 and 274,631.28 is: 411,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,739.32 : 1,210,098.04 = 274,631.28 : x
  2. Step 2: Convert to fraction form
    806,739.32/1,210,098.04 = 274,631.28/x
  3. Step 3: Cross multiply
    806,739.32x = 1,210,098.04 × 274,631.28
  4. Step 4: Simplify right side
    806,739.32x = 332,330,773,650.69
  5. Step 5: Solve for x
    x = 332,330,773,650.69/806,739.32
  6. Step 6: Final answer
    x = 411,943.20

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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.