Home / 961,798.44-1,443,094.91-421,775.17

Finding the Fourth Proportional to 961,798.44, 1,443,094.91 and 421,775.17

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Solution

The fourth proportional to 961,798.44, 1,443,094.91 and 421,775.17 is: 632,836.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,798.44 : 1,443,094.91 = 421,775.17 : x
  2. Step 2: Convert to fraction form
    961,798.44/1,443,094.91 = 421,775.17/x
  3. Step 3: Cross multiply
    961,798.44x = 1,443,094.91 × 421,775.17
  4. Step 4: Simplify right side
    961,798.44x = 608,661,596,856.43
  5. Step 5: Solve for x
    x = 608,661,596,856.43/961,798.44
  6. Step 6: Final answer
    x = 632,836.95

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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.