Home / 805,273.48-1,208,107.47-400,656.61

Finding the Fourth Proportional to 805,273.48, 1,208,107.47 and 400,656.61

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Solution

The fourth proportional to 805,273.48, 1,208,107.47 and 400,656.61 is: 601,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,273.48 : 1,208,107.47 = 400,656.61 : x
  2. Step 2: Convert to fraction form
    805,273.48/1,208,107.47 = 400,656.61/x
  3. Step 3: Cross multiply
    805,273.48x = 1,208,107.47 × 400,656.61
  4. Step 4: Simplify right side
    805,273.48x = 484,036,243,445.88
  5. Step 5: Solve for x
    x = 484,036,243,445.88/805,273.48
  6. Step 6: Final answer
    x = 601,083.05

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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.