Home / 952,826.40-1,428,802.20-420,073.20

Finding the Fourth Proportional to 952,826.40, 1,428,802.20 and 420,073.20

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Solution

The fourth proportional to 952,826.40, 1,428,802.20 and 420,073.20 is: 629,916.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,826.40 : 1,428,802.20 = 420,073.20 : x
  2. Step 2: Convert to fraction form
    952,826.40/1,428,802.20 = 420,073.20/x
  3. Step 3: Cross multiply
    952,826.40x = 1,428,802.20 × 420,073.20
  4. Step 4: Simplify right side
    952,826.40x = 600,201,512,321.04
  5. Step 5: Solve for x
    x = 600,201,512,321.04/952,826.40
  6. Step 6: Final answer
    x = 629,916.96

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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.