Home / 906,963.69-1,251,618.77-499,074.31

Finding the Fourth Proportional to 906,963.69, 1,251,618.77 and 499,074.31

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Solution

The fourth proportional to 906,963.69, 1,251,618.77 and 499,074.31 is: 688,727.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,963.69 : 1,251,618.77 = 499,074.31 : x
  2. Step 2: Convert to fraction form
    906,963.69/1,251,618.77 = 499,074.31/x
  3. Step 3: Cross multiply
    906,963.69x = 1,251,618.77 × 499,074.31
  4. Step 4: Simplify right side
    906,963.69x = 624,650,772,139.44
  5. Step 5: Solve for x
    x = 624,650,772,139.44/906,963.69
  6. Step 6: Final answer
    x = 688,727.43

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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.