Home / 830,868.60-1,246,302.90-825,619.80

Finding the Fourth Proportional to 830,868.60, 1,246,302.90 and 825,619.80

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Solution

The fourth proportional to 830,868.60, 1,246,302.90 and 825,619.80 is: 1,238,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,868.60 : 1,246,302.90 = 825,619.80 : x
  2. Step 2: Convert to fraction form
    830,868.60/1,246,302.90 = 825,619.80/x
  3. Step 3: Cross multiply
    830,868.60x = 1,246,302.90 × 825,619.80
  4. Step 4: Simplify right side
    830,868.60x = 1,028,972,351,037.42
  5. Step 5: Solve for x
    x = 1,028,972,351,037.42/830,868.60
  6. Step 6: Final answer
    x = 1,238,429.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.