Home / 745,829.78-1,118,906.66-272,514.38

Finding the Fourth Proportional to 745,829.78, 1,118,906.66 and 272,514.38

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Solution

The fourth proportional to 745,829.78, 1,118,906.66 and 272,514.38 is: 408,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,829.78 : 1,118,906.66 = 272,514.38 : x
  2. Step 2: Convert to fraction form
    745,829.78/1,118,906.66 = 272,514.38/x
  3. Step 3: Cross multiply
    745,829.78x = 1,118,906.66 × 272,514.38
  4. Step 4: Simplify right side
    745,829.78x = 304,918,149,814.52
  5. Step 5: Solve for x
    x = 304,918,149,814.52/745,829.78
  6. Step 6: Final answer
    x = 408,830.75

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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.