Home / 939,781.96-1,296,899.64-510,062.08

Finding the Fourth Proportional to 939,781.96, 1,296,899.64 and 510,062.08

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Solution

The fourth proportional to 939,781.96, 1,296,899.64 and 510,062.08 is: 703,885.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,781.96 : 1,296,899.64 = 510,062.08 : x
  2. Step 2: Convert to fraction form
    939,781.96/1,296,899.64 = 510,062.08/x
  3. Step 3: Cross multiply
    939,781.96x = 1,296,899.64 × 510,062.08
  4. Step 4: Simplify right side
    939,781.96x = 661,499,327,929.65
  5. Step 5: Solve for x
    x = 661,499,327,929.65/939,781.96
  6. Step 6: Final answer
    x = 703,885.96

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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.