Home / 683,378.40-1,025,650.80-304,881.60

Finding the Fourth Proportional to 683,378.40, 1,025,650.80 and 304,881.60

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Solution

The fourth proportional to 683,378.40, 1,025,650.80 and 304,881.60 is: 457,582.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,378.40 : 1,025,650.80 = 304,881.60 : x
  2. Step 2: Convert to fraction form
    683,378.40/1,025,650.80 = 304,881.60/x
  3. Step 3: Cross multiply
    683,378.40x = 1,025,650.80 × 304,881.60
  4. Step 4: Simplify right side
    683,378.40x = 312,702,056,945.28
  5. Step 5: Solve for x
    x = 312,702,056,945.28/683,378.40
  6. Step 6: Final answer
    x = 457,582.59

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Similar ratio
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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.