Home / 850,902.30-1,174,245.20-468,929.09

Finding the Fourth Proportional to 850,902.30, 1,174,245.20 and 468,929.09

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Solution

The fourth proportional to 850,902.30, 1,174,245.20 and 468,929.09 is: 647,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,902.30 : 1,174,245.20 = 468,929.09 : x
  2. Step 2: Convert to fraction form
    850,902.30/1,174,245.20 = 468,929.09/x
  3. Step 3: Cross multiply
    850,902.30x = 1,174,245.20 × 468,929.09
  4. Step 4: Simplify right side
    850,902.30x = 550,637,724,857.00
  5. Step 5: Solve for x
    x = 550,637,724,857.00/850,902.30
  6. Step 6: Final answer
    x = 647,122.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.