Home / 729,381.64-1,094,561.04-256,068.40

Finding the Fourth Proportional to 729,381.64, 1,094,561.04 and 256,068.40

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Solution

The fourth proportional to 729,381.64, 1,094,561.04 and 256,068.40 is: 384,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,381.64 : 1,094,561.04 = 256,068.40 : x
  2. Step 2: Convert to fraction form
    729,381.64/1,094,561.04 = 256,068.40/x
  3. Step 3: Cross multiply
    729,381.64x = 1,094,561.04 × 256,068.40
  4. Step 4: Simplify right side
    729,381.64x = 280,282,494,215.14
  5. Step 5: Solve for x
    x = 280,282,494,215.14/729,381.64
  6. Step 6: Final answer
    x = 384,274.13

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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.