Home / 634,320.24-876,449.88-611,614.32

Finding the Fourth Proportional to 634,320.24, 876,449.88 and 611,614.32

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Solution

The fourth proportional to 634,320.24, 876,449.88 and 611,614.32 is: 845,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,320.24 : 876,449.88 = 611,614.32 : x
  2. Step 2: Convert to fraction form
    634,320.24/876,449.88 = 611,614.32/x
  3. Step 3: Cross multiply
    634,320.24x = 876,449.88 × 611,614.32
  4. Step 4: Simplify right side
    634,320.24x = 536,049,297,370.28
  5. Step 5: Solve for x
    x = 536,049,297,370.28/634,320.24
  6. Step 6: Final answer
    x = 845,076.77

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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.