Home / 502,433.37-693,081.21-318,335.13

Finding the Fourth Proportional to 502,433.37, 693,081.21 and 318,335.13

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Solution

The fourth proportional to 502,433.37, 693,081.21 and 318,335.13 is: 439,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,433.37 : 693,081.21 = 318,335.13 : x
  2. Step 2: Convert to fraction form
    502,433.37/693,081.21 = 318,335.13/x
  3. Step 3: Cross multiply
    502,433.37x = 693,081.21 × 318,335.13
  4. Step 4: Simplify right side
    502,433.37x = 220,632,097,085.91
  5. Step 5: Solve for x
    x = 220,632,097,085.91/502,433.37
  6. Step 6: Final answer
    x = 439,127.08

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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.