Home / 556,228.72-834,367.34-272,158.45

Finding the Fourth Proportional to 556,228.72, 834,367.34 and 272,158.45

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Solution

The fourth proportional to 556,228.72, 834,367.34 and 272,158.45 is: 408,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,228.72 : 834,367.34 = 272,158.45 : x
  2. Step 2: Convert to fraction form
    556,228.72/834,367.34 = 272,158.45/x
  3. Step 3: Cross multiply
    556,228.72x = 834,367.34 × 272,158.45
  4. Step 4: Simplify right side
    556,228.72x = 227,080,120,624.23
  5. Step 5: Solve for x
    x = 227,080,120,624.23/556,228.72
  6. Step 6: Final answer
    x = 408,249.55

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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.