Home / 669,969.20-1,003,204.20-432,023.60

Finding the Fourth Proportional to 669,969.20, 1,003,204.20 and 432,023.60

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Solution

The fourth proportional to 669,969.20, 1,003,204.20 and 432,023.60 is: 646,907.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,969.20 : 1,003,204.20 = 432,023.60 : x
  2. Step 2: Convert to fraction form
    669,969.20/1,003,204.20 = 432,023.60/x
  3. Step 3: Cross multiply
    669,969.20x = 1,003,204.20 × 432,023.60
  4. Step 4: Simplify right side
    669,969.20x = 433,407,890,019.12
  5. Step 5: Solve for x
    x = 433,407,890,019.12/669,969.20
  6. Step 6: Final answer
    x = 646,907.19

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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.