Home / 608,132.09-839,245.91-403,830.72

Finding the Fourth Proportional to 608,132.09, 839,245.91 and 403,830.72

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Solution

The fourth proportional to 608,132.09, 839,245.91 and 403,830.72 is: 557,302.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,132.09 : 839,245.91 = 403,830.72 : x
  2. Step 2: Convert to fraction form
    608,132.09/839,245.91 = 403,830.72/x
  3. Step 3: Cross multiply
    608,132.09x = 839,245.91 × 403,830.72
  4. Step 4: Simplify right side
    608,132.09x = 338,913,278,073.20
  5. Step 5: Solve for x
    x = 338,913,278,073.20/608,132.09
  6. Step 6: Final answer
    x = 557,302.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.