Home / 810,563.87-1,118,717.03-471,228.95

Finding the Fourth Proportional to 810,563.87, 1,118,717.03 and 471,228.95

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Solution

The fourth proportional to 810,563.87, 1,118,717.03 and 471,228.95 is: 650,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,563.87 : 1,118,717.03 = 471,228.95 : x
  2. Step 2: Convert to fraction form
    810,563.87/1,118,717.03 = 471,228.95/x
  3. Step 3: Cross multiply
    810,563.87x = 1,118,717.03 × 471,228.95
  4. Step 4: Simplify right side
    810,563.87x = 527,171,846,978.51
  5. Step 5: Solve for x
    x = 527,171,846,978.51/810,563.87
  6. Step 6: Final answer
    x = 650,376.69

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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.