Home / 906,493.80-1,250,963.93-498,637.43

Finding the Fourth Proportional to 906,493.80, 1,250,963.93 and 498,637.43

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Solution

The fourth proportional to 906,493.80, 1,250,963.93 and 498,637.43 is: 688,121.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,493.80 : 1,250,963.93 = 498,637.43 : x
  2. Step 2: Convert to fraction form
    906,493.80/1,250,963.93 = 498,637.43/x
  3. Step 3: Cross multiply
    906,493.80x = 1,250,963.93 × 498,637.43
  4. Step 4: Simplify right side
    906,493.80x = 623,777,439,077.90
  5. Step 5: Solve for x
    x = 623,777,439,077.90/906,493.80
  6. Step 6: Final answer
    x = 688,121.02

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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.