Home / 673,900.76-1,011,338.90-263,630.59

Finding the Fourth Proportional to 673,900.76, 1,011,338.90 and 263,630.59

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Solution

The fourth proportional to 673,900.76, 1,011,338.90 and 263,630.59 is: 395,636.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,900.76 : 1,011,338.90 = 263,630.59 : x
  2. Step 2: Convert to fraction form
    673,900.76/1,011,338.90 = 263,630.59/x
  3. Step 3: Cross multiply
    673,900.76x = 1,011,338.90 × 263,630.59
  4. Step 4: Simplify right side
    673,900.76x = 266,619,864,522.10
  5. Step 5: Solve for x
    x = 266,619,864,522.10/673,900.76
  6. Step 6: Final answer
    x = 395,636.69

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1.5x scale

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.