Home / 704,365.40-1,056,590.07-272,086.18

Finding the Fourth Proportional to 704,365.40, 1,056,590.07 and 272,086.18

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Solution

The fourth proportional to 704,365.40, 1,056,590.07 and 272,086.18 is: 408,145.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,365.40 : 1,056,590.07 = 272,086.18 : x
  2. Step 2: Convert to fraction form
    704,365.40/1,056,590.07 = 272,086.18/x
  3. Step 3: Cross multiply
    704,365.40x = 1,056,590.07 × 272,086.18
  4. Step 4: Simplify right side
    704,365.40x = 287,483,552,310.43
  5. Step 5: Solve for x
    x = 287,483,552,310.43/704,365.40
  6. Step 6: Final answer
    x = 408,145.48

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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.