Home / 757,307.34-1,045,067.30-417,775.50

Finding the Fourth Proportional to 757,307.34, 1,045,067.30 and 417,775.50

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Solution

The fourth proportional to 757,307.34, 1,045,067.30 and 417,775.50 is: 576,520.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,307.34 : 1,045,067.30 = 417,775.50 : x
  2. Step 2: Convert to fraction form
    757,307.34/1,045,067.30 = 417,775.50/x
  3. Step 3: Cross multiply
    757,307.34x = 1,045,067.30 × 417,775.50
  4. Step 4: Simplify right side
    757,307.34x = 436,603,513,791.15
  5. Step 5: Solve for x
    x = 436,603,513,791.15/757,307.34
  6. Step 6: Final answer
    x = 576,520.91

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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.