Home / 906,964.32-1,251,619.64-499,074.93

Finding the Fourth Proportional to 906,964.32, 1,251,619.64 and 499,074.93

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Solution

The fourth proportional to 906,964.32, 1,251,619.64 and 499,074.93 is: 688,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,964.32 : 1,251,619.64 = 499,074.93 : x
  2. Step 2: Convert to fraction form
    906,964.32/1,251,619.64 = 499,074.93/x
  3. Step 3: Cross multiply
    906,964.32x = 1,251,619.64 × 499,074.93
  4. Step 4: Simplify right side
    906,964.32x = 624,651,984,853.30
  5. Step 5: Solve for x
    x = 624,651,984,853.30/906,964.32
  6. Step 6: Final answer
    x = 688,728.29

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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.