Home / 535,428.74-738,912.12-293,721.50

Finding the Fourth Proportional to 535,428.74, 738,912.12 and 293,721.50

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Solution

The fourth proportional to 535,428.74, 738,912.12 and 293,721.50 is: 405,346.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,428.74 : 738,912.12 = 293,721.50 : x
  2. Step 2: Convert to fraction form
    535,428.74/738,912.12 = 293,721.50/x
  3. Step 3: Cross multiply
    535,428.74x = 738,912.12 × 293,721.50
  4. Step 4: Simplify right side
    535,428.74x = 217,034,376,254.58
  5. Step 5: Solve for x
    x = 217,034,376,254.58/535,428.74
  6. Step 6: Final answer
    x = 405,346.89

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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.