Home / 403,452.10-606,490.35-285,937.30

Finding the Fourth Proportional to 403,452.10, 606,490.35 and 285,937.30

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Solution

The fourth proportional to 403,452.10, 606,490.35 and 285,937.30 is: 429,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,452.10 : 606,490.35 = 285,937.30 : x
  2. Step 2: Convert to fraction form
    403,452.10/606,490.35 = 285,937.30/x
  3. Step 3: Cross multiply
    403,452.10x = 606,490.35 × 285,937.30
  4. Step 4: Simplify right side
    403,452.10x = 173,418,213,155.06
  5. Step 5: Solve for x
    x = 173,418,213,155.06/403,452.10
  6. Step 6: Final answer
    x = 429,835.94

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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.