Home / 765,878.05-1,148,860.28-233,416.45

Finding the Fourth Proportional to 765,878.05, 1,148,860.28 and 233,416.45

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Solution

The fourth proportional to 765,878.05, 1,148,860.28 and 233,416.45 is: 350,137.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,878.05 : 1,148,860.28 = 233,416.45 : x
  2. Step 2: Convert to fraction form
    765,878.05/1,148,860.28 = 233,416.45/x
  3. Step 3: Cross multiply
    765,878.05x = 1,148,860.28 × 233,416.45
  4. Step 4: Simplify right side
    765,878.05x = 268,162,886,936.52
  5. Step 5: Solve for x
    x = 268,162,886,936.52/765,878.05
  6. Step 6: Final answer
    x = 350,137.84

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Double scale
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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.