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Finding the Fourth Proportional to 727,589.84, 1,091,377.08 and 284,354

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Solution

The fourth proportional to 727,589.84, 1,091,377.08 and 284,354 is: 426,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,589.84 : 1,091,377.08 = 284,354 : x
  2. Step 2: Convert to fraction form
    727,589.84/1,091,377.08 = 284,354/x
  3. Step 3: Cross multiply
    727,589.84x = 1,091,377.08 × 284,354
  4. Step 4: Simplify right side
    727,589.84x = 310,337,438,206.32
  5. Step 5: Solve for x
    x = 310,337,438,206.32/727,589.84
  6. Step 6: Final answer
    x = 426,528.00

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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.