Home / 535,384.89-738,819.63-293,663.07

Finding the Fourth Proportional to 535,384.89, 738,819.63 and 293,663.07

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Solution

The fourth proportional to 535,384.89, 738,819.63 and 293,663.07 is: 405,248.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,384.89 : 738,819.63 = 293,663.07 : x
  2. Step 2: Convert to fraction form
    535,384.89/738,819.63 = 293,663.07/x
  3. Step 3: Cross multiply
    535,384.89x = 738,819.63 × 293,663.07
  4. Step 4: Simplify right side
    535,384.89x = 216,964,040,722.06
  5. Step 5: Solve for x
    x = 216,964,040,722.06/535,384.89
  6. Step 6: Final answer
    x = 405,248.72

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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.