Home / 578,966.34-799,004.34-320,871.52

Finding the Fourth Proportional to 578,966.34, 799,004.34 and 320,871.52

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Solution

The fourth proportional to 578,966.34, 799,004.34 and 320,871.52 is: 442,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,966.34 : 799,004.34 = 320,871.52 : x
  2. Step 2: Convert to fraction form
    578,966.34/799,004.34 = 320,871.52/x
  3. Step 3: Cross multiply
    578,966.34x = 799,004.34 × 320,871.52
  4. Step 4: Simplify right side
    578,966.34x = 256,377,735,064.89
  5. Step 5: Solve for x
    x = 256,377,735,064.89/578,966.34
  6. Step 6: Final answer
    x = 442,819.76

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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.