Home / 842,556.48-1,263,710.13-309,952.95

Finding the Fourth Proportional to 842,556.48, 1,263,710.13 and 309,952.95

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Solution

The fourth proportional to 842,556.48, 1,263,710.13 and 309,952.95 is: 464,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,556.48 : 1,263,710.13 = 309,952.95 : x
  2. Step 2: Convert to fraction form
    842,556.48/1,263,710.13 = 309,952.95/x
  3. Step 3: Cross multiply
    842,556.48x = 1,263,710.13 × 309,952.95
  4. Step 4: Simplify right side
    842,556.48x = 391,690,676,837.15
  5. Step 5: Solve for x
    x = 391,690,676,837.15/842,556.48
  6. Step 6: Final answer
    x = 464,883.58

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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.