Home / 673,906.80-1,011,100.59-289,494.12

Finding the Fourth Proportional to 673,906.80, 1,011,100.59 and 289,494.12

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Solution

The fourth proportional to 673,906.80, 1,011,100.59 and 289,494.12 is: 434,344.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,906.80 : 1,011,100.59 = 289,494.12 : x
  2. Step 2: Convert to fraction form
    673,906.80/1,011,100.59 = 289,494.12/x
  3. Step 3: Cross multiply
    673,906.80x = 1,011,100.59 × 289,494.12
  4. Step 4: Simplify right side
    673,906.80x = 292,707,675,533.53
  5. Step 5: Solve for x
    x = 292,707,675,533.53/673,906.80
  6. Step 6: Final answer
    x = 434,344.45

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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.