Home / 602,290.47-831,311.97-409,025.28

Finding the Fourth Proportional to 602,290.47, 831,311.97 and 409,025.28

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Solution

The fourth proportional to 602,290.47, 831,311.97 and 409,025.28 is: 564,557.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,290.47 : 831,311.97 = 409,025.28 : x
  2. Step 2: Convert to fraction form
    602,290.47/831,311.97 = 409,025.28/x
  3. Step 3: Cross multiply
    602,290.47x = 831,311.97 × 409,025.28
  4. Step 4: Simplify right side
    602,290.47x = 340,027,611,296.60
  5. Step 5: Solve for x
    x = 340,027,611,296.60/602,290.47
  6. Step 6: Final answer
    x = 564,557.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.