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Finding the Fourth Proportional to 604,454.40, 906,422.40 and 304,819.20

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Solution

The fourth proportional to 604,454.40, 906,422.40 and 304,819.20 is: 457,098.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,454.40 : 906,422.40 = 304,819.20 : x
  2. Step 2: Convert to fraction form
    604,454.40/906,422.40 = 304,819.20/x
  3. Step 3: Cross multiply
    604,454.40x = 906,422.40 × 304,819.20
  4. Step 4: Simplify right side
    604,454.40x = 276,294,950,830.08
  5. Step 5: Solve for x
    x = 276,294,950,830.08/604,454.40
  6. Step 6: Final answer
    x = 457,098.09

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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.