Home / 939,828.92-1,296,966.40-510,109.04

Finding the Fourth Proportional to 939,828.92, 1,296,966.40 and 510,109.04

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Solution

The fourth proportional to 939,828.92, 1,296,966.40 and 510,109.04 is: 703,951.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,828.92 : 1,296,966.40 = 510,109.04 : x
  2. Step 2: Convert to fraction form
    939,828.92/1,296,966.40 = 510,109.04/x
  3. Step 3: Cross multiply
    939,828.92x = 1,296,966.40 × 510,109.04
  4. Step 4: Simplify right side
    939,828.92x = 661,594,287,183.40
  5. Step 5: Solve for x
    x = 661,594,287,183.40/939,828.92
  6. Step 6: Final answer
    x = 703,951.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.