Home / 673,489.68-1,010,197.59-407,178.69

Finding the Fourth Proportional to 673,489.68, 1,010,197.59 and 407,178.69

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Solution

The fourth proportional to 673,489.68, 1,010,197.59 and 407,178.69 is: 610,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,489.68 : 1,010,197.59 = 407,178.69 : x
  2. Step 2: Convert to fraction form
    673,489.68/1,010,197.59 = 407,178.69/x
  3. Step 3: Cross multiply
    673,489.68x = 1,010,197.59 × 407,178.69
  4. Step 4: Simplify right side
    673,489.68x = 411,330,931,337.36
  5. Step 5: Solve for x
    x = 411,330,931,337.36/673,489.68
  6. Step 6: Final answer
    x = 610,745.71

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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.