Home / 898,947.25-1,240,493.30-490,967.86

Finding the Fourth Proportional to 898,947.25, 1,240,493.30 and 490,967.86

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Solution

The fourth proportional to 898,947.25, 1,240,493.30 and 490,967.86 is: 677,506.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,947.25 : 1,240,493.30 = 490,967.86 : x
  2. Step 2: Convert to fraction form
    898,947.25/1,240,493.30 = 490,967.86/x
  3. Step 3: Cross multiply
    898,947.25x = 1,240,493.30 × 490,967.86
  4. Step 4: Simplify right side
    898,947.25x = 609,042,332,188.03
  5. Step 5: Solve for x
    x = 609,042,332,188.03/898,947.25
  6. Step 6: Final answer
    x = 677,506.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.