Home / 648,110.20-972,165.30-530,012.20

Finding the Fourth Proportional to 648,110.20, 972,165.30 and 530,012.20

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Solution

The fourth proportional to 648,110.20, 972,165.30 and 530,012.20 is: 795,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,110.20 : 972,165.30 = 530,012.20 : x
  2. Step 2: Convert to fraction form
    648,110.20/972,165.30 = 530,012.20/x
  3. Step 3: Cross multiply
    648,110.20x = 972,165.30 × 530,012.20
  4. Step 4: Simplify right side
    648,110.20x = 515,259,469,416.66
  5. Step 5: Solve for x
    x = 515,259,469,416.66/648,110.20
  6. Step 6: Final answer
    x = 795,018.30

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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.