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Finding the Fourth Proportional to 452,473.92, 624,419.15 and 248,529.63

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Solution

The fourth proportional to 452,473.92, 624,419.15 and 248,529.63 is: 342,973.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,473.92 : 624,419.15 = 248,529.63 : x
  2. Step 2: Convert to fraction form
    452,473.92/624,419.15 = 248,529.63/x
  3. Step 3: Cross multiply
    452,473.92x = 624,419.15 × 248,529.63
  4. Step 4: Simplify right side
    452,473.92x = 155,186,660,314.42
  5. Step 5: Solve for x
    x = 155,186,660,314.42/452,473.92
  6. Step 6: Final answer
    x = 342,973.71

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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.