Home / 816,613.31-1,224,921.95-247,998.74

Finding the Fourth Proportional to 816,613.31, 1,224,921.95 and 247,998.74

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Solution

The fourth proportional to 816,613.31, 1,224,921.95 and 247,998.74 is: 371,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,613.31 : 1,224,921.95 = 247,998.74 : x
  2. Step 2: Convert to fraction form
    816,613.31/1,224,921.95 = 247,998.74/x
  3. Step 3: Cross multiply
    816,613.31x = 1,224,921.95 × 247,998.74
  4. Step 4: Simplify right side
    816,613.31x = 303,779,100,198.34
  5. Step 5: Solve for x
    x = 303,779,100,198.34/816,613.31
  6. Step 6: Final answer
    x = 371,998.72

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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.