Home / 741,282.84-1,111,160.43-291,821.40

Finding the Fourth Proportional to 741,282.84, 1,111,160.43 and 291,821.40

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Solution

The fourth proportional to 741,282.84, 1,111,160.43 and 291,821.40 is: 437,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,282.84 : 1,111,160.43 = 291,821.40 : x
  2. Step 2: Convert to fraction form
    741,282.84/1,111,160.43 = 291,821.40/x
  3. Step 3: Cross multiply
    741,282.84x = 1,111,160.43 × 291,821.40
  4. Step 4: Simplify right side
    741,282.84x = 324,260,392,307.20
  5. Step 5: Solve for x
    x = 324,260,392,307.20/741,282.84
  6. Step 6: Final answer
    x = 437,431.40

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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.