Home / 957,418.40-1,434,232.20-620,693.30

Finding the Fourth Proportional to 957,418.40, 1,434,232.20 and 620,693.30

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Solution

The fourth proportional to 957,418.40, 1,434,232.20 and 620,693.30 is: 929,811.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,418.40 : 1,434,232.20 = 620,693.30 : x
  2. Step 2: Convert to fraction form
    957,418.40/1,434,232.20 = 620,693.30/x
  3. Step 3: Cross multiply
    957,418.40x = 1,434,232.20 × 620,693.30
  4. Step 4: Simplify right side
    957,418.40x = 890,218,317,184.26
  5. Step 5: Solve for x
    x = 890,218,317,184.26/957,418.40
  6. Step 6: Final answer
    x = 929,811.16

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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.