Home / 918,626.10-1,267,808.86-510,768.42

Finding the Fourth Proportional to 918,626.10, 1,267,808.86 and 510,768.42

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Solution

The fourth proportional to 918,626.10, 1,267,808.86 and 510,768.42 is: 704,918.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,626.10 : 1,267,808.86 = 510,768.42 : x
  2. Step 2: Convert to fraction form
    918,626.10/1,267,808.86 = 510,768.42/x
  3. Step 3: Cross multiply
    918,626.10x = 1,267,808.86 × 510,768.42
  4. Step 4: Simplify right side
    918,626.10x = 647,556,728,284.20
  5. Step 5: Solve for x
    x = 647,556,728,284.20/918,626.10
  6. Step 6: Final answer
    x = 704,918.71

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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.