Home / 939,809.93-1,296,902.97-510,080.83

Finding the Fourth Proportional to 939,809.93, 1,296,902.97 and 510,080.83

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Solution

The fourth proportional to 939,809.93, 1,296,902.97 and 510,080.83 is: 703,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,809.93 : 1,296,902.97 = 510,080.83 : x
  2. Step 2: Convert to fraction form
    939,809.93/1,296,902.97 = 510,080.83/x
  3. Step 3: Cross multiply
    939,809.93x = 1,296,902.97 × 510,080.83
  4. Step 4: Simplify right side
    939,809.93x = 661,525,340,124.81
  5. Step 5: Solve for x
    x = 661,525,340,124.81/939,809.93
  6. Step 6: Final answer
    x = 703,892.69

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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.