Home / 913,621.32-1,370,633.40-273,899.52

Finding the Fourth Proportional to 913,621.32, 1,370,633.40 and 273,899.52

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Solution

The fourth proportional to 913,621.32, 1,370,633.40 and 273,899.52 is: 410,909.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,621.32 : 1,370,633.40 = 273,899.52 : x
  2. Step 2: Convert to fraction form
    913,621.32/1,370,633.40 = 273,899.52/x
  3. Step 3: Cross multiply
    913,621.32x = 1,370,633.40 × 273,899.52
  4. Step 4: Simplify right side
    913,621.32x = 375,415,830,355.97
  5. Step 5: Solve for x
    x = 375,415,830,355.97/913,621.32
  6. Step 6: Final answer
    x = 410,909.66

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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.