Home / 939,812.91-1,296,942.98-510,093.15

Finding the Fourth Proportional to 939,812.91, 1,296,942.98 and 510,093.15

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Solution

The fourth proportional to 939,812.91, 1,296,942.98 and 510,093.15 is: 703,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,812.91 : 1,296,942.98 = 510,093.15 : x
  2. Step 2: Convert to fraction form
    939,812.91/1,296,942.98 = 510,093.15/x
  3. Step 3: Cross multiply
    939,812.91x = 1,296,942.98 × 510,093.15
  4. Step 4: Simplify right side
    939,812.91x = 661,561,730,038.59
  5. Step 5: Solve for x
    x = 661,561,730,038.59/939,812.91
  6. Step 6: Final answer
    x = 703,929.18

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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.