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Finding the Fourth Proportional to 452,405.46, 624,291.93 and 248,416.68

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Solution

The fourth proportional to 452,405.46, 624,291.93 and 248,416.68 is: 342,799.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,405.46 : 624,291.93 = 248,416.68 : x
  2. Step 2: Convert to fraction form
    452,405.46/624,291.93 = 248,416.68/x
  3. Step 3: Cross multiply
    452,405.46x = 624,291.93 × 248,416.68
  4. Step 4: Simplify right side
    452,405.46x = 155,084,528,601.39
  5. Step 5: Solve for x
    x = 155,084,528,601.39/452,405.46
  6. Step 6: Final answer
    x = 342,799.86

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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.