Home / 961,801.44-1,443,099.41-421,778.17

Finding the Fourth Proportional to 961,801.44, 1,443,099.41 and 421,778.17

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Solution

The fourth proportional to 961,801.44, 1,443,099.41 and 421,778.17 is: 632,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,801.44 : 1,443,099.41 = 421,778.17 : x
  2. Step 2: Convert to fraction form
    961,801.44/1,443,099.41 = 421,778.17/x
  3. Step 3: Cross multiply
    961,801.44x = 1,443,099.41 × 421,778.17
  4. Step 4: Simplify right side
    961,801.44x = 608,667,828,277.88
  5. Step 5: Solve for x
    x = 608,667,828,277.88/961,801.44
  6. Step 6: Final answer
    x = 632,841.46

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1.5x scale

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.