Home / 875,719.54-1,313,756.55-370,279.69

Finding the Fourth Proportional to 875,719.54, 1,313,756.55 and 370,279.69

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Solution

The fourth proportional to 875,719.54, 1,313,756.55 and 370,279.69 is: 555,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,719.54 : 1,313,756.55 = 370,279.69 : x
  2. Step 2: Convert to fraction form
    875,719.54/1,313,756.55 = 370,279.69/x
  3. Step 3: Cross multiply
    875,719.54x = 1,313,756.55 × 370,279.69
  4. Step 4: Simplify right side
    875,719.54x = 486,457,364,785.08
  5. Step 5: Solve for x
    x = 486,457,364,785.08/875,719.54
  6. Step 6: Final answer
    x = 555,494.48

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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.