Home / 669,483.34-1,004,372.64-220,186.06

Finding the Fourth Proportional to 669,483.34, 1,004,372.64 and 220,186.06

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Solution

The fourth proportional to 669,483.34, 1,004,372.64 and 220,186.06 is: 330,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,483.34 : 1,004,372.64 = 220,186.06 : x
  2. Step 2: Convert to fraction form
    669,483.34/1,004,372.64 = 220,186.06/x
  3. Step 3: Cross multiply
    669,483.34x = 1,004,372.64 × 220,186.06
  4. Step 4: Simplify right side
    669,483.34x = 221,148,851,862.47
  5. Step 5: Solve for x
    x = 221,148,851,862.47/669,483.34
  6. Step 6: Final answer
    x = 330,327.64

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Double scale
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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.