Home / 966,428.80-1,449,643.20-335,406.40

Finding the Fourth Proportional to 966,428.80, 1,449,643.20 and 335,406.40

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Solution

The fourth proportional to 966,428.80, 1,449,643.20 and 335,406.40 is: 503,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,428.80 : 1,449,643.20 = 335,406.40 : x
  2. Step 2: Convert to fraction form
    966,428.80/1,449,643.20 = 335,406.40/x
  3. Step 3: Cross multiply
    966,428.80x = 1,449,643.20 × 335,406.40
  4. Step 4: Simplify right side
    966,428.80x = 486,219,606,996.48
  5. Step 5: Solve for x
    x = 486,219,606,996.48/966,428.80
  6. Step 6: Final answer
    x = 503,109.60

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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.