Home / 729,387.64-1,094,570.04-256,074.40

Finding the Fourth Proportional to 729,387.64, 1,094,570.04 and 256,074.40

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Solution

The fourth proportional to 729,387.64, 1,094,570.04 and 256,074.40 is: 384,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,387.64 : 1,094,570.04 = 256,074.40 : x
  2. Step 2: Convert to fraction form
    729,387.64/1,094,570.04 = 256,074.40/x
  3. Step 3: Cross multiply
    729,387.64x = 1,094,570.04 × 256,074.40
  4. Step 4: Simplify right side
    729,387.64x = 280,291,366,250.98
  5. Step 5: Solve for x
    x = 280,291,366,250.98/729,387.64
  6. Step 6: Final answer
    x = 384,283.13

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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.