Home / 939,805.10-1,296,917.67-510,074.18

Finding the Fourth Proportional to 939,805.10, 1,296,917.67 and 510,074.18

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Solution

The fourth proportional to 939,805.10, 1,296,917.67 and 510,074.18 is: 703,895.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,805.10 : 1,296,917.67 = 510,074.18 : x
  2. Step 2: Convert to fraction form
    939,805.10/1,296,917.67 = 510,074.18/x
  3. Step 3: Cross multiply
    939,805.10x = 1,296,917.67 × 510,074.18
  4. Step 4: Simplify right side
    939,805.10x = 661,524,217,052.76
  5. Step 5: Solve for x
    x = 661,524,217,052.76/939,805.10
  6. Step 6: Final answer
    x = 703,895.11

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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.