Home / 683,658.40-1,025,487.60-403,722.40

Finding the Fourth Proportional to 683,658.40, 1,025,487.60 and 403,722.40

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Solution

The fourth proportional to 683,658.40, 1,025,487.60 and 403,722.40 is: 605,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,658.40 : 1,025,487.60 = 403,722.40 : x
  2. Step 2: Convert to fraction form
    683,658.40/1,025,487.60 = 403,722.40/x
  3. Step 3: Cross multiply
    683,658.40x = 1,025,487.60 × 403,722.40
  4. Step 4: Simplify right side
    683,658.40x = 414,012,315,042.24
  5. Step 5: Solve for x
    x = 414,012,315,042.24/683,658.40
  6. Step 6: Final answer
    x = 605,583.60

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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.