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Finding the Fourth Proportional to 607,027.20, 910,540.80 and 488,929.20

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Solution

The fourth proportional to 607,027.20, 910,540.80 and 488,929.20 is: 733,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,027.20 : 910,540.80 = 488,929.20 : x
  2. Step 2: Convert to fraction form
    607,027.20/910,540.80 = 488,929.20/x
  3. Step 3: Cross multiply
    607,027.20x = 910,540.80 × 488,929.20
  4. Step 4: Simplify right side
    607,027.20x = 445,189,984,911.36
  5. Step 5: Solve for x
    x = 445,189,984,911.36/607,027.20
  6. Step 6: Final answer
    x = 733,393.80

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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.