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Finding the Fourth Proportional to 604,819.30, 907,338.30 and 304,544.20

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Solution

The fourth proportional to 604,819.30, 907,338.30 and 304,544.20 is: 456,871.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,819.30 : 907,338.30 = 304,544.20 : x
  2. Step 2: Convert to fraction form
    604,819.30/907,338.30 = 304,544.20/x
  3. Step 3: Cross multiply
    604,819.30x = 907,338.30 × 304,544.20
  4. Step 4: Simplify right side
    604,819.30x = 276,324,616,702.86
  5. Step 5: Solve for x
    x = 276,324,616,702.86/604,819.30
  6. Step 6: Final answer
    x = 456,871.36

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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.