Home / 850,470.03-1,275,673.14-210,775.87

Finding the Fourth Proportional to 850,470.03, 1,275,673.14 and 210,775.87

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Solution

The fourth proportional to 850,470.03, 1,275,673.14 and 210,775.87 is: 316,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,470.03 : 1,275,673.14 = 210,775.87 : x
  2. Step 2: Convert to fraction form
    850,470.03/1,275,673.14 = 210,775.87/x
  3. Step 3: Cross multiply
    850,470.03x = 1,275,673.14 × 210,775.87
  4. Step 4: Simplify right side
    850,470.03x = 268,881,115,919.13
  5. Step 5: Solve for x
    x = 268,881,115,919.13/850,470.03
  6. Step 6: Final answer
    x = 316,155.90

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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.