Home / 873,294.31-1,309,498.35-399,573.71

Finding the Fourth Proportional to 873,294.31, 1,309,498.35 and 399,573.71

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Solution

The fourth proportional to 873,294.31, 1,309,498.35 and 399,573.71 is: 599,157.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,294.31 : 1,309,498.35 = 399,573.71 : x
  2. Step 2: Convert to fraction form
    873,294.31/1,309,498.35 = 399,573.71/x
  3. Step 3: Cross multiply
    873,294.31x = 1,309,498.35 × 399,573.71
  4. Step 4: Simplify right side
    873,294.31x = 523,241,110,813.10
  5. Step 5: Solve for x
    x = 523,241,110,813.10/873,294.31
  6. Step 6: Final answer
    x = 599,157.81

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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.