Home / 768,284.66-1,060,333.15-428,823.38

Finding the Fourth Proportional to 768,284.66, 1,060,333.15 and 428,823.38

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Solution

The fourth proportional to 768,284.66, 1,060,333.15 and 428,823.38 is: 591,832.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,284.66 : 1,060,333.15 = 428,823.38 : x
  2. Step 2: Convert to fraction form
    768,284.66/1,060,333.15 = 428,823.38/x
  3. Step 3: Cross multiply
    768,284.66x = 1,060,333.15 × 428,823.38
  4. Step 4: Simplify right side
    768,284.66x = 454,695,645,309.05
  5. Step 5: Solve for x
    x = 454,695,645,309.05/768,284.66
  6. Step 6: Final answer
    x = 591,832.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.