Home / 617,844.23-852,584.63-345,909.61

Finding the Fourth Proportional to 617,844.23, 852,584.63 and 345,909.61

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Solution

The fourth proportional to 617,844.23, 852,584.63 and 345,909.61 is: 477,332.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,844.23 : 852,584.63 = 345,909.61 : x
  2. Step 2: Convert to fraction form
    617,844.23/852,584.63 = 345,909.61/x
  3. Step 3: Cross multiply
    617,844.23x = 852,584.63 × 345,909.61
  4. Step 4: Simplify right side
    617,844.23x = 294,917,216,855.29
  5. Step 5: Solve for x
    x = 294,917,216,855.29/617,844.23
  6. Step 6: Final answer
    x = 477,332.64

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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.