Home / 885,195.30-1,328,449.05-648,999.30

Finding the Fourth Proportional to 885,195.30, 1,328,449.05 and 648,999.30

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Solution

The fourth proportional to 885,195.30, 1,328,449.05 and 648,999.30 is: 973,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,195.30 : 1,328,449.05 = 648,999.30 : x
  2. Step 2: Convert to fraction form
    885,195.30/1,328,449.05 = 648,999.30/x
  3. Step 3: Cross multiply
    885,195.30x = 1,328,449.05 × 648,999.30
  4. Step 4: Simplify right side
    885,195.30x = 862,162,503,535.67
  5. Step 5: Solve for x
    x = 862,162,503,535.67/885,195.30
  6. Step 6: Final answer
    x = 973,979.98

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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.