Home / 885,947.60-1,222,724.52-503,900.60

Finding the Fourth Proportional to 885,947.60, 1,222,724.52 and 503,900.60

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Solution

The fourth proportional to 885,947.60, 1,222,724.52 and 503,900.60 is: 695,449.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,947.60 : 1,222,724.52 = 503,900.60 : x
  2. Step 2: Convert to fraction form
    885,947.60/1,222,724.52 = 503,900.60/x
  3. Step 3: Cross multiply
    885,947.60x = 1,222,724.52 × 503,900.60
  4. Step 4: Simplify right side
    885,947.60x = 616,131,619,262.71
  5. Step 5: Solve for x
    x = 616,131,619,262.71/885,947.60
  6. Step 6: Final answer
    x = 695,449.28

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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.