Home / 632,879.19-949,975.29-423,976.95

Finding the Fourth Proportional to 632,879.19, 949,975.29 and 423,976.95

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Solution

The fourth proportional to 632,879.19, 949,975.29 and 423,976.95 is: 636,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,879.19 : 949,975.29 = 423,976.95 : x
  2. Step 2: Convert to fraction form
    632,879.19/949,975.29 = 423,976.95/x
  3. Step 3: Cross multiply
    632,879.19x = 949,975.29 × 423,976.95
  4. Step 4: Simplify right side
    632,879.19x = 402,767,626,029.57
  5. Step 5: Solve for x
    x = 402,767,626,029.57/632,879.19
  6. Step 6: Final answer
    x = 636,405.23

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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.