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Finding the Fourth Proportional to 617,560.58, 852,233.48 and 345,628.46

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Solution

The fourth proportional to 617,560.58, 852,233.48 and 345,628.46 is: 476,967.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,560.58 : 852,233.48 = 345,628.46 : x
  2. Step 2: Convert to fraction form
    617,560.58/852,233.48 = 345,628.46/x
  3. Step 3: Cross multiply
    617,560.58x = 852,233.48 × 345,628.46
  4. Step 4: Simplify right side
    617,560.58x = 294,556,145,655.28
  5. Step 5: Solve for x
    x = 294,556,145,655.28/617,560.58
  6. Step 6: Final answer
    x = 476,967.21

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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.