Home / 790,414.84-1,090,775.20-427,838.58

Finding the Fourth Proportional to 790,414.84, 1,090,775.20 and 427,838.58

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Solution

The fourth proportional to 790,414.84, 1,090,775.20 and 427,838.58 is: 590,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,414.84 : 1,090,775.20 = 427,838.58 : x
  2. Step 2: Convert to fraction form
    790,414.84/1,090,775.20 = 427,838.58/x
  3. Step 3: Cross multiply
    790,414.84x = 1,090,775.20 × 427,838.58
  4. Step 4: Simplify right side
    790,414.84x = 466,675,712,667.22
  5. Step 5: Solve for x
    x = 466,675,712,667.22/790,414.84
  6. Step 6: Final answer
    x = 590,418.71

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1.5x scale

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.