Home / 680,396.40-1,020,644.28-230,934.96

Finding the Fourth Proportional to 680,396.40, 1,020,644.28 and 230,934.96

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Solution

The fourth proportional to 680,396.40, 1,020,644.28 and 230,934.96 is: 346,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,396.40 : 1,020,644.28 = 230,934.96 : x
  2. Step 2: Convert to fraction form
    680,396.40/1,020,644.28 = 230,934.96/x
  3. Step 3: Cross multiply
    680,396.40x = 1,020,644.28 × 230,934.96
  4. Step 4: Simplify right side
    680,396.40x = 235,702,445,976.03
  5. Step 5: Solve for x
    x = 235,702,445,976.03/680,396.40
  6. Step 6: Final answer
    x = 346,419.30

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1.5x scale

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.