Home / 736,103.60-1,103,572.20-403,679.60

Finding the Fourth Proportional to 736,103.60, 1,103,572.20 and 403,679.60

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Solution

The fourth proportional to 736,103.60, 1,103,572.20 and 403,679.60 is: 605,199.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,103.60 : 1,103,572.20 = 403,679.60 : x
  2. Step 2: Convert to fraction form
    736,103.60/1,103,572.20 = 403,679.60/x
  3. Step 3: Cross multiply
    736,103.60x = 1,103,572.20 × 403,679.60
  4. Step 4: Simplify right side
    736,103.60x = 445,489,584,267.12
  5. Step 5: Solve for x
    x = 445,489,584,267.12/736,103.60
  6. Step 6: Final answer
    x = 605,199.57

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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.