Home / 790,874.27-1,186,066.28-285,369.88

Finding the Fourth Proportional to 790,874.27, 1,186,066.28 and 285,369.88

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Solution

The fourth proportional to 790,874.27, 1,186,066.28 and 285,369.88 is: 427,966.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,874.27 : 1,186,066.28 = 285,369.88 : x
  2. Step 2: Convert to fraction form
    790,874.27/1,186,066.28 = 285,369.88/x
  3. Step 3: Cross multiply
    790,874.27x = 1,186,066.28 × 285,369.88
  4. Step 4: Simplify right side
    790,874.27x = 338,467,584,638.47
  5. Step 5: Solve for x
    x = 338,467,584,638.47/790,874.27
  6. Step 6: Final answer
    x = 427,966.36

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1.5x scale

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.