Home / 558,338.28-837,374.94-198,479.40

Finding the Fourth Proportional to 558,338.28, 837,374.94 and 198,479.40

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Solution

The fourth proportional to 558,338.28, 837,374.94 and 198,479.40 is: 297,672.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,338.28 : 837,374.94 = 198,479.40 : x
  2. Step 2: Convert to fraction form
    558,338.28/837,374.94 = 198,479.40/x
  3. Step 3: Cross multiply
    558,338.28x = 837,374.94 × 198,479.40
  4. Step 4: Simplify right side
    558,338.28x = 166,201,675,666.24
  5. Step 5: Solve for x
    x = 166,201,675,666.24/558,338.28
  6. Step 6: Final answer
    x = 297,672.01

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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.