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Finding the Fourth Proportional to 632,611.80, 948,917.70 and 605,309.40

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Solution

The fourth proportional to 632,611.80, 948,917.70 and 605,309.40 is: 907,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,611.80 : 948,917.70 = 605,309.40 : x
  2. Step 2: Convert to fraction form
    632,611.80/948,917.70 = 605,309.40/x
  3. Step 3: Cross multiply
    632,611.80x = 948,917.70 × 605,309.40
  4. Step 4: Simplify right side
    632,611.80x = 574,388,803,636.38
  5. Step 5: Solve for x
    x = 574,388,803,636.38/632,611.80
  6. Step 6: Final answer
    x = 907,964.10

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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.