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Finding the Fourth Proportional to 404,310.30, 606,465.45 and 358,820.70

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Solution

The fourth proportional to 404,310.30, 606,465.45 and 358,820.70 is: 538,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,310.30 : 606,465.45 = 358,820.70 : x
  2. Step 2: Convert to fraction form
    404,310.30/606,465.45 = 358,820.70/x
  3. Step 3: Cross multiply
    404,310.30x = 606,465.45 × 358,820.70
  4. Step 4: Simplify right side
    404,310.30x = 217,612,357,294.82
  5. Step 5: Solve for x
    x = 217,612,357,294.82/404,310.30
  6. Step 6: Final answer
    x = 538,231.05

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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.