Home / 782,698.04-1,082,297.52-621,272.84

Finding the Fourth Proportional to 782,698.04, 1,082,297.52 and 621,272.84

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Solution

The fourth proportional to 782,698.04, 1,082,297.52 and 621,272.84 is: 859,082.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,698.04 : 1,082,297.52 = 621,272.84 : x
  2. Step 2: Convert to fraction form
    782,698.04/1,082,297.52 = 621,272.84/x
  3. Step 3: Cross multiply
    782,698.04x = 1,082,297.52 × 621,272.84
  4. Step 4: Simplify right side
    782,698.04x = 672,402,053,975.36
  5. Step 5: Solve for x
    x = 672,402,053,975.36/782,698.04
  6. Step 6: Final answer
    x = 859,082.33

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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.