Home / 875,708.10-1,313,617.51-370,174.86

Finding the Fourth Proportional to 875,708.10, 1,313,617.51 and 370,174.86

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Solution

The fourth proportional to 875,708.10, 1,313,617.51 and 370,174.86 is: 555,285.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,708.10 : 1,313,617.51 = 370,174.86 : x
  2. Step 2: Convert to fraction form
    875,708.10/1,313,617.51 = 370,174.86/x
  3. Step 3: Cross multiply
    875,708.10x = 1,313,617.51 × 370,174.86
  4. Step 4: Simplify right side
    875,708.10x = 486,268,177,857.80
  5. Step 5: Solve for x
    x = 486,268,177,857.80/875,708.10
  6. Step 6: Final answer
    x = 555,285.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.