Home / 602,694.40-831,811.20-348,025.60

Finding the Fourth Proportional to 602,694.40, 831,811.20 and 348,025.60

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Solution

The fourth proportional to 602,694.40, 831,811.20 and 348,025.60 is: 480,328.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,694.40 : 831,811.20 = 348,025.60 : x
  2. Step 2: Convert to fraction form
    602,694.40/831,811.20 = 348,025.60/x
  3. Step 3: Cross multiply
    602,694.40x = 831,811.20 × 348,025.60
  4. Step 4: Simplify right side
    602,694.40x = 289,491,591,966.72
  5. Step 5: Solve for x
    x = 289,491,591,966.72/602,694.40
  6. Step 6: Final answer
    x = 480,328.99

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1.5x scale

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.