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Finding the Fourth Proportional to 453,105.02, 625,375.49 and 345,482.75

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Solution

The fourth proportional to 453,105.02, 625,375.49 and 345,482.75 is: 476,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,105.02 : 625,375.49 = 345,482.75 : x
  2. Step 2: Convert to fraction form
    453,105.02/625,375.49 = 345,482.75/x
  3. Step 3: Cross multiply
    453,105.02x = 625,375.49 × 345,482.75
  4. Step 4: Simplify right side
    453,105.02x = 216,056,439,213.51
  5. Step 5: Solve for x
    x = 216,056,439,213.51/453,105.02
  6. Step 6: Final answer
    x = 476,835.24

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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.