Home / 558,811.25-771,176.04-395,759.47

Finding the Fourth Proportional to 558,811.25, 771,176.04 and 395,759.47

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Solution

The fourth proportional to 558,811.25, 771,176.04 and 395,759.47 is: 546,159.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,811.25 : 771,176.04 = 395,759.47 : x
  2. Step 2: Convert to fraction form
    558,811.25/771,176.04 = 395,759.47/x
  3. Step 3: Cross multiply
    558,811.25x = 771,176.04 × 395,759.47
  4. Step 4: Simplify right side
    558,811.25x = 305,200,221,127.16
  5. Step 5: Solve for x
    x = 305,200,221,127.16/558,811.25
  6. Step 6: Final answer
    x = 546,159.76

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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.