Home / 961,802.44-1,443,100.91-421,779.17

Finding the Fourth Proportional to 961,802.44, 1,443,100.91 and 421,779.17

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Solution

The fourth proportional to 961,802.44, 1,443,100.91 and 421,779.17 is: 632,842.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,802.44 : 1,443,100.91 = 421,779.17 : x
  2. Step 2: Convert to fraction form
    961,802.44/1,443,100.91 = 421,779.17/x
  3. Step 3: Cross multiply
    961,802.44x = 1,443,100.91 × 421,779.17
  4. Step 4: Simplify right side
    961,802.44x = 608,669,904,046.05
  5. Step 5: Solve for x
    x = 608,669,904,046.05/961,802.44
  6. Step 6: Final answer
    x = 632,842.96

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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.