Home / 961,795.95-1,443,091.30-421,772.79

Finding the Fourth Proportional to 961,795.95, 1,443,091.30 and 421,772.79

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Solution

The fourth proportional to 961,795.95, 1,443,091.30 and 421,772.79 is: 632,833.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,795.95 : 1,443,091.30 = 421,772.79 : x
  2. Step 2: Convert to fraction form
    961,795.95/1,443,091.30 = 421,772.79/x
  3. Step 3: Cross multiply
    961,795.95x = 1,443,091.30 × 421,772.79
  4. Step 4: Simplify right side
    961,795.95x = 608,656,643,825.73
  5. Step 5: Solve for x
    x = 608,656,643,825.73/961,795.95
  6. Step 6: Final answer
    x = 632,833.44

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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.