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Finding the Fourth Proportional to 334,806.40, 502,209.60 and 303,313.60

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Solution

The fourth proportional to 334,806.40, 502,209.60 and 303,313.60 is: 454,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,806.40 : 502,209.60 = 303,313.60 : x
  2. Step 2: Convert to fraction form
    334,806.40/502,209.60 = 303,313.60/x
  3. Step 3: Cross multiply
    334,806.40x = 502,209.60 × 303,313.60
  4. Step 4: Simplify right side
    334,806.40x = 152,327,001,730.56
  5. Step 5: Solve for x
    x = 152,327,001,730.56/334,806.40
  6. Step 6: Final answer
    x = 454,970.40

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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.