Home / 672,021.60-1,008,010.80-222,763.20

Finding the Fourth Proportional to 672,021.60, 1,008,010.80 and 222,763.20

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Solution

The fourth proportional to 672,021.60, 1,008,010.80 and 222,763.20 is: 334,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,021.60 : 1,008,010.80 = 222,763.20 : x
  2. Step 2: Convert to fraction form
    672,021.60/1,008,010.80 = 222,763.20/x
  3. Step 3: Cross multiply
    672,021.60x = 1,008,010.80 × 222,763.20
  4. Step 4: Simplify right side
    672,021.60x = 224,547,711,442.56
  5. Step 5: Solve for x
    x = 224,547,711,442.56/672,021.60
  6. Step 6: Final answer
    x = 334,137.64

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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.