Home / 790,881.48-1,185,523.30-311,445.72

Finding the Fourth Proportional to 790,881.48, 1,185,523.30 and 311,445.72

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Solution

The fourth proportional to 790,881.48, 1,185,523.30 and 311,445.72 is: 466,853.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,881.48 : 1,185,523.30 = 311,445.72 : x
  2. Step 2: Convert to fraction form
    790,881.48/1,185,523.30 = 311,445.72/x
  3. Step 3: Cross multiply
    790,881.48x = 1,185,523.30 × 311,445.72
  4. Step 4: Simplify right side
    790,881.48x = 369,226,157,745.28
  5. Step 5: Solve for x
    x = 369,226,157,745.28/790,881.48
  6. Step 6: Final answer
    x = 466,853.97

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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.