Home / 790,532.27-1,090,934.87-427,956.12

Finding the Fourth Proportional to 790,532.27, 1,090,934.87 and 427,956.12

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Solution

The fourth proportional to 790,532.27, 1,090,934.87 and 427,956.12 is: 590,579.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,532.27 : 1,090,934.87 = 427,956.12 : x
  2. Step 2: Convert to fraction form
    790,532.27/1,090,934.87 = 427,956.12/x
  3. Step 3: Cross multiply
    790,532.27x = 1,090,934.87 × 427,956.12
  4. Step 4: Simplify right side
    790,532.27x = 466,872,254,137.90
  5. Step 5: Solve for x
    x = 466,872,254,137.90/790,532.27
  6. Step 6: Final answer
    x = 590,579.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.