Home / 762,135.98-1,051,749.14-417,974.33

Finding the Fourth Proportional to 762,135.98, 1,051,749.14 and 417,974.33

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Solution

The fourth proportional to 762,135.98, 1,051,749.14 and 417,974.33 is: 576,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,135.98 : 1,051,749.14 = 417,974.33 : x
  2. Step 2: Convert to fraction form
    762,135.98/1,051,749.14 = 417,974.33/x
  3. Step 3: Cross multiply
    762,135.98x = 1,051,749.14 × 417,974.33
  4. Step 4: Simplify right side
    762,135.98x = 439,604,142,659.08
  5. Step 5: Solve for x
    x = 439,604,142,659.08/762,135.98
  6. Step 6: Final answer
    x = 576,805.40

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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.