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Finding the Fourth Proportional to 329,724.60, 494,586.90 and 310,041.60

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Solution

The fourth proportional to 329,724.60, 494,586.90 and 310,041.60 is: 465,062.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,724.60 : 494,586.90 = 310,041.60 : x
  2. Step 2: Convert to fraction form
    329,724.60/494,586.90 = 310,041.60/x
  3. Step 3: Cross multiply
    329,724.60x = 494,586.90 × 310,041.60
  4. Step 4: Simplify right side
    329,724.60x = 153,342,513,815.04
  5. Step 5: Solve for x
    x = 153,342,513,815.04/329,724.60
  6. Step 6: Final answer
    x = 465,062.40

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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.