Home / 778,567.83-1,167,793.43-217,646.07

Finding the Fourth Proportional to 778,567.83, 1,167,793.43 and 217,646.07

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Solution

The fourth proportional to 778,567.83, 1,167,793.43 and 217,646.07 is: 326,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,567.83 : 1,167,793.43 = 217,646.07 : x
  2. Step 2: Convert to fraction form
    778,567.83/1,167,793.43 = 217,646.07/x
  3. Step 3: Cross multiply
    778,567.83x = 1,167,793.43 × 217,646.07
  4. Step 4: Simplify right side
    778,567.83x = 254,165,649,523.09
  5. Step 5: Solve for x
    x = 254,165,649,523.09/778,567.83
  6. Step 6: Final answer
    x = 326,452.80

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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.