Home / 683,337.20-1,025,005.80-672,839.60

Finding the Fourth Proportional to 683,337.20, 1,025,005.80 and 672,839.60

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Solution

The fourth proportional to 683,337.20, 1,025,005.80 and 672,839.60 is: 1,009,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,337.20 : 1,025,005.80 = 672,839.60 : x
  2. Step 2: Convert to fraction form
    683,337.20/1,025,005.80 = 672,839.60/x
  3. Step 3: Cross multiply
    683,337.20x = 1,025,005.80 × 672,839.60
  4. Step 4: Simplify right side
    683,337.20x = 689,664,492,469.68
  5. Step 5: Solve for x
    x = 689,664,492,469.68/683,337.20
  6. Step 6: Final answer
    x = 1,009,259.40

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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.