Home / 885,446.40-1,222,020.80-503,530.56

Finding the Fourth Proportional to 885,446.40, 1,222,020.80 and 503,530.56

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Solution

The fourth proportional to 885,446.40, 1,222,020.80 and 503,530.56 is: 694,931.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,446.40 : 1,222,020.80 = 503,530.56 : x
  2. Step 2: Convert to fraction form
    885,446.40/1,222,020.80 = 503,530.56/x
  3. Step 3: Cross multiply
    885,446.40x = 1,222,020.80 × 503,530.56
  4. Step 4: Simplify right side
    885,446.40x = 615,324,817,755.65
  5. Step 5: Solve for x
    x = 615,324,817,755.65/885,446.40
  6. Step 6: Final answer
    x = 694,931.75

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1.5x scale

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.