Home / 765,877.80-1,148,859.90-233,416.20

Finding the Fourth Proportional to 765,877.80, 1,148,859.90 and 233,416.20

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Solution

The fourth proportional to 765,877.80, 1,148,859.90 and 233,416.20 is: 350,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,877.80 : 1,148,859.90 = 233,416.20 : x
  2. Step 2: Convert to fraction form
    765,877.80/1,148,859.90 = 233,416.20/x
  3. Step 3: Cross multiply
    765,877.80x = 1,148,859.90 × 233,416.20
  4. Step 4: Simplify right side
    765,877.80x = 268,162,512,190.38
  5. Step 5: Solve for x
    x = 268,162,512,190.38/765,877.80
  6. Step 6: Final answer
    x = 350,137.47

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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.