Home / 765,878.30-1,148,860.65-233,416.70

Finding the Fourth Proportional to 765,878.30, 1,148,860.65 and 233,416.70

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Solution

The fourth proportional to 765,878.30, 1,148,860.65 and 233,416.70 is: 350,138.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,878.30 : 1,148,860.65 = 233,416.70 : x
  2. Step 2: Convert to fraction form
    765,878.30/1,148,860.65 = 233,416.70/x
  3. Step 3: Cross multiply
    765,878.30x = 1,148,860.65 × 233,416.70
  4. Step 4: Simplify right side
    765,878.30x = 268,163,261,682.86
  5. Step 5: Solve for x
    x = 268,163,261,682.86/765,878.30
  6. Step 6: Final answer
    x = 350,138.22

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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.