Home / 939,646.98-1,296,713.61-509,927.10

Finding the Fourth Proportional to 939,646.98, 1,296,713.61 and 509,927.10

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Solution

The fourth proportional to 939,646.98, 1,296,713.61 and 509,927.10 is: 703,699.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,646.98 : 1,296,713.61 = 509,927.10 : x
  2. Step 2: Convert to fraction form
    939,646.98/1,296,713.61 = 509,927.10/x
  3. Step 3: Cross multiply
    939,646.98x = 1,296,713.61 × 509,927.10
  4. Step 4: Simplify right side
    939,646.98x = 661,229,405,815.16
  5. Step 5: Solve for x
    x = 661,229,405,815.16/939,646.98
  6. Step 6: Final answer
    x = 703,699.81

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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.