Home / 966,645.40-1,449,530.70-433,892.20

Finding the Fourth Proportional to 966,645.40, 1,449,530.70 and 433,892.20

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Solution

The fourth proportional to 966,645.40, 1,449,530.70 and 433,892.20 is: 650,641.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,645.40 : 1,449,530.70 = 433,892.20 : x
  2. Step 2: Convert to fraction form
    966,645.40/1,449,530.70 = 433,892.20/x
  3. Step 3: Cross multiply
    966,645.40x = 1,449,530.70 × 433,892.20
  4. Step 4: Simplify right side
    966,645.40x = 628,940,064,390.54
  5. Step 5: Solve for x
    x = 628,940,064,390.54/966,645.40
  6. Step 6: Final answer
    x = 650,641.97

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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.