Home / 816,204.54-1,224,309.65-247,590.55

Finding the Fourth Proportional to 816,204.54, 1,224,309.65 and 247,590.55

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Solution

The fourth proportional to 816,204.54, 1,224,309.65 and 247,590.55 is: 371,386.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,204.54 : 1,224,309.65 = 247,590.55 : x
  2. Step 2: Convert to fraction form
    816,204.54/1,224,309.65 = 247,590.55/x
  3. Step 3: Cross multiply
    816,204.54x = 1,224,309.65 × 247,590.55
  4. Step 4: Simplify right side
    816,204.54x = 303,127,499,613.81
  5. Step 5: Solve for x
    x = 303,127,499,613.81/816,204.54
  6. Step 6: Final answer
    x = 371,386.69

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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.