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Finding the Fourth Proportional to 632,903.84, 948,688.32 and 433,170.80

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Solution

The fourth proportional to 632,903.84, 948,688.32 and 433,170.80 is: 649,299.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,903.84 : 948,688.32 = 433,170.80 : x
  2. Step 2: Convert to fraction form
    632,903.84/948,688.32 = 433,170.80/x
  3. Step 3: Cross multiply
    632,903.84x = 948,688.32 × 433,170.80
  4. Step 4: Simplify right side
    632,903.84x = 410,944,078,525.06
  5. Step 5: Solve for x
    x = 410,944,078,525.06/632,903.84
  6. Step 6: Final answer
    x = 649,299.39

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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.