Home / 906,395.74-1,250,839.83-498,515.02

Finding the Fourth Proportional to 906,395.74, 1,250,839.83 and 498,515.02

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Solution

The fourth proportional to 906,395.74, 1,250,839.83 and 498,515.02 is: 687,958.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,395.74 : 1,250,839.83 = 498,515.02 : x
  2. Step 2: Convert to fraction form
    906,395.74/1,250,839.83 = 498,515.02/x
  3. Step 3: Cross multiply
    906,395.74x = 1,250,839.83 × 498,515.02
  4. Step 4: Simplify right side
    906,395.74x = 623,562,442,869.25
  5. Step 5: Solve for x
    x = 623,562,442,869.25/906,395.74
  6. Step 6: Final answer
    x = 687,958.27

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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.