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Finding the Fourth Proportional to 632,258.26, 949,055.80 and 617,979.90

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Solution

The fourth proportional to 632,258.26, 949,055.80 and 617,979.90 is: 927,623.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,258.26 : 949,055.80 = 617,979.90 : x
  2. Step 2: Convert to fraction form
    632,258.26/949,055.80 = 617,979.90/x
  3. Step 3: Cross multiply
    632,258.26x = 949,055.80 × 617,979.90
  4. Step 4: Simplify right side
    632,258.26x = 586,497,408,378.42
  5. Step 5: Solve for x
    x = 586,497,408,378.42/632,258.26
  6. Step 6: Final answer
    x = 927,623.17

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1.5x scale

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.