Home / 909,822.57-1,255,329.42-599,690.78

Finding the Fourth Proportional to 909,822.57, 1,255,329.42 and 599,690.78

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Solution

The fourth proportional to 909,822.57, 1,255,329.42 and 599,690.78 is: 827,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,822.57 : 1,255,329.42 = 599,690.78 : x
  2. Step 2: Convert to fraction form
    909,822.57/1,255,329.42 = 599,690.78/x
  3. Step 3: Cross multiply
    909,822.57x = 1,255,329.42 × 599,690.78
  4. Step 4: Simplify right side
    909,822.57x = 752,809,479,036.75
  5. Step 5: Solve for x
    x = 752,809,479,036.75/909,822.57
  6. Step 6: Final answer
    x = 827,424.49

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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.