Home / 516,454.04-774,725.69-142,477.04

Finding the Fourth Proportional to 516,454.04, 774,725.69 and 142,477.04

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Solution

The fourth proportional to 516,454.04, 774,725.69 and 142,477.04 is: 213,727.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,454.04 : 774,725.69 = 142,477.04 : x
  2. Step 2: Convert to fraction form
    516,454.04/774,725.69 = 142,477.04/x
  3. Step 3: Cross multiply
    516,454.04x = 774,725.69 × 142,477.04
  4. Step 4: Simplify right side
    516,454.04x = 110,380,625,416.16
  5. Step 5: Solve for x
    x = 110,380,625,416.16/516,454.04
  6. Step 6: Final answer
    x = 213,727.88

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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.