Home / 579,810.68-799,398.06-375,500.60

Finding the Fourth Proportional to 579,810.68, 799,398.06 and 375,500.60

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Solution

The fourth proportional to 579,810.68, 799,398.06 and 375,500.60 is: 517,711.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,810.68 : 799,398.06 = 375,500.60 : x
  2. Step 2: Convert to fraction form
    579,810.68/799,398.06 = 375,500.60/x
  3. Step 3: Cross multiply
    579,810.68x = 799,398.06 × 375,500.60
  4. Step 4: Simplify right side
    579,810.68x = 300,174,451,168.84
  5. Step 5: Solve for x
    x = 300,174,451,168.84/579,810.68
  6. Step 6: Final answer
    x = 517,711.15

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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.