Home / 939,824.40-1,296,922.91-510,095.31

Finding the Fourth Proportional to 939,824.40, 1,296,922.91 and 510,095.31

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Solution

The fourth proportional to 939,824.40, 1,296,922.91 and 510,095.31 is: 703,912.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,824.40 : 1,296,922.91 = 510,095.31 : x
  2. Step 2: Convert to fraction form
    939,824.40/1,296,922.91 = 510,095.31/x
  3. Step 3: Cross multiply
    939,824.40x = 1,296,922.91 × 510,095.31
  4. Step 4: Simplify right side
    939,824.40x = 661,554,291,272.08
  5. Step 5: Solve for x
    x = 661,554,291,272.08/939,824.40
  6. Step 6: Final answer
    x = 703,912.66

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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.