Home / 875,514.78-1,207,404.63-552,666.78

Finding the Fourth Proportional to 875,514.78, 1,207,404.63 and 552,666.78

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Solution

The fourth proportional to 875,514.78, 1,207,404.63 and 552,666.78 is: 762,171.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,514.78 : 1,207,404.63 = 552,666.78 : x
  2. Step 2: Convert to fraction form
    875,514.78/1,207,404.63 = 552,666.78/x
  3. Step 3: Cross multiply
    875,514.78x = 1,207,404.63 × 552,666.78
  4. Step 4: Simplify right side
    875,514.78x = 667,292,429,019.19
  5. Step 5: Solve for x
    x = 667,292,429,019.19/875,514.78
  6. Step 6: Final answer
    x = 762,171.52

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1.5x scale

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.