Home / 668,883.20-1,003,324.80-403,462.40

Finding the Fourth Proportional to 668,883.20, 1,003,324.80 and 403,462.40

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Solution

The fourth proportional to 668,883.20, 1,003,324.80 and 403,462.40 is: 605,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,883.20 : 1,003,324.80 = 403,462.40 : x
  2. Step 2: Convert to fraction form
    668,883.20/1,003,324.80 = 403,462.40/x
  3. Step 3: Cross multiply
    668,883.20x = 1,003,324.80 × 403,462.40
  4. Step 4: Simplify right side
    668,883.20x = 404,803,831,787.52
  5. Step 5: Solve for x
    x = 404,803,831,787.52/668,883.20
  6. Step 6: Final answer
    x = 605,193.60

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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.