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Finding the Fourth Proportional to 482,785.58, 723,012.78 and 242,142.68

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Solution

The fourth proportional to 482,785.58, 723,012.78 and 242,142.68 is: 362,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,785.58 : 723,012.78 = 242,142.68 : x
  2. Step 2: Convert to fraction form
    482,785.58/723,012.78 = 242,142.68/x
  3. Step 3: Cross multiply
    482,785.58x = 723,012.78 × 242,142.68
  4. Step 4: Simplify right side
    482,785.58x = 175,072,252,223.45
  5. Step 5: Solve for x
    x = 175,072,252,223.45/482,785.58
  6. Step 6: Final answer
    x = 362,629.41

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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.