Home / 766,918.40-1,150,276.80-234,492.80

Finding the Fourth Proportional to 766,918.40, 1,150,276.80 and 234,492.80

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Solution

The fourth proportional to 766,918.40, 1,150,276.80 and 234,492.80 is: 351,708.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,918.40 : 1,150,276.80 = 234,492.80 : x
  2. Step 2: Convert to fraction form
    766,918.40/1,150,276.80 = 234,492.80/x
  3. Step 3: Cross multiply
    766,918.40x = 1,150,276.80 × 234,492.80
  4. Step 4: Simplify right side
    766,918.40x = 269,731,627,607.04
  5. Step 5: Solve for x
    x = 269,731,627,607.04/766,918.40
  6. Step 6: Final answer
    x = 351,708.38

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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.