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Finding the Fourth Proportional to 704,801.21, 972,625.65 and 382,511.33

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Solution

The fourth proportional to 704,801.21, 972,625.65 and 382,511.33 is: 527,865.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,801.21 : 972,625.65 = 382,511.33 : x
  2. Step 2: Convert to fraction form
    704,801.21/972,625.65 = 382,511.33/x
  3. Step 3: Cross multiply
    704,801.21x = 972,625.65 × 382,511.33
  4. Step 4: Simplify right side
    704,801.21x = 372,040,330,973.62
  5. Step 5: Solve for x
    x = 372,040,330,973.62/704,801.21
  6. Step 6: Final answer
    x = 527,865.62

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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.