Home / 939,810.65-1,296,939.84-510,090.89

Finding the Fourth Proportional to 939,810.65, 1,296,939.84 and 510,090.89

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Solution

The fourth proportional to 939,810.65, 1,296,939.84 and 510,090.89 is: 703,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,810.65 : 1,296,939.84 = 510,090.89 : x
  2. Step 2: Convert to fraction form
    939,810.65/1,296,939.84 = 510,090.89/x
  3. Step 3: Cross multiply
    939,810.65x = 1,296,939.84 × 510,090.89
  4. Step 4: Simplify right side
    939,810.65x = 661,557,197,262.06
  5. Step 5: Solve for x
    x = 661,557,197,262.06/939,810.65
  6. Step 6: Final answer
    x = 703,926.05

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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.