Home / 669,453.58-1,003,967.12-220,070.87

Finding the Fourth Proportional to 669,453.58, 1,003,967.12 and 220,070.87

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Solution

The fourth proportional to 669,453.58, 1,003,967.12 and 220,070.87 is: 330,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,453.58 : 1,003,967.12 = 220,070.87 : x
  2. Step 2: Convert to fraction form
    669,453.58/1,003,967.12 = 220,070.87/x
  3. Step 3: Cross multiply
    669,453.58x = 1,003,967.12 × 220,070.87
  4. Step 4: Simplify right side
    669,453.58x = 220,943,917,549.79
  5. Step 5: Solve for x
    x = 220,943,917,549.79/669,453.58
  6. Step 6: Final answer
    x = 330,036.20

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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.