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Finding the Fourth Proportional to 404,600.96, 606,408.96 and 286,306.40

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Solution

The fourth proportional to 404,600.96, 606,408.96 and 286,306.40 is: 429,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,600.96 : 606,408.96 = 286,306.40 : x
  2. Step 2: Convert to fraction form
    404,600.96/606,408.96 = 286,306.40/x
  3. Step 3: Cross multiply
    404,600.96x = 606,408.96 × 286,306.40
  4. Step 4: Simplify right side
    404,600.96x = 173,618,766,265.34
  5. Step 5: Solve for x
    x = 173,618,766,265.34/404,600.96
  6. Step 6: Final answer
    x = 429,111.11

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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.