Home / 672,158.11-927,154.41-400,022.80

Finding the Fourth Proportional to 672,158.11, 927,154.41 and 400,022.80

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Solution

The fourth proportional to 672,158.11, 927,154.41 and 400,022.80 is: 551,779.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,158.11 : 927,154.41 = 400,022.80 : x
  2. Step 2: Convert to fraction form
    672,158.11/927,154.41 = 400,022.80/x
  3. Step 3: Cross multiply
    672,158.11x = 927,154.41 × 400,022.80
  4. Step 4: Simplify right side
    672,158.11x = 370,882,903,120.55
  5. Step 5: Solve for x
    x = 370,882,903,120.55/672,158.11
  6. Step 6: Final answer
    x = 551,779.26

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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.