Home / 717,814.42-990,628.04-395,524.44

Finding the Fourth Proportional to 717,814.42, 990,628.04 and 395,524.44

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Solution

The fourth proportional to 717,814.42, 990,628.04 and 395,524.44 is: 545,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,814.42 : 990,628.04 = 395,524.44 : x
  2. Step 2: Convert to fraction form
    717,814.42/990,628.04 = 395,524.44/x
  3. Step 3: Cross multiply
    717,814.42x = 990,628.04 × 395,524.44
  4. Step 4: Simplify right side
    717,814.42x = 391,817,600,769.30
  5. Step 5: Solve for x
    x = 391,817,600,769.30/717,814.42
  6. Step 6: Final answer
    x = 545,848.05

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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.