Home / 499,931.42-749,893.48-200,407.59

Finding the Fourth Proportional to 499,931.42, 749,893.48 and 200,407.59

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Solution

The fourth proportional to 499,931.42, 749,893.48 and 200,407.59 is: 300,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,931.42 : 749,893.48 = 200,407.59 : x
  2. Step 2: Convert to fraction form
    499,931.42/749,893.48 = 200,407.59/x
  3. Step 3: Cross multiply
    499,931.42x = 749,893.48 × 200,407.59
  4. Step 4: Simplify right side
    499,931.42x = 150,284,344,582.49
  5. Step 5: Solve for x
    x = 150,284,344,582.49/499,931.42
  6. Step 6: Final answer
    x = 300,609.92

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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.