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Finding the Fourth Proportional to 702,967.68, 970,087.68 and 380,669.76

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Solution

The fourth proportional to 702,967.68, 970,087.68 and 380,669.76 is: 525,320.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,967.68 : 970,087.68 = 380,669.76 : x
  2. Step 2: Convert to fraction form
    702,967.68/970,087.68 = 380,669.76/x
  3. Step 3: Cross multiply
    702,967.68x = 970,087.68 × 380,669.76
  4. Step 4: Simplify right side
    702,967.68x = 369,283,044,324.56
  5. Step 5: Solve for x
    x = 369,283,044,324.56/702,967.68
  6. Step 6: Final answer
    x = 525,320.09

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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.