Home / 906,531.80-1,250,987.49-498,633.57

Finding the Fourth Proportional to 906,531.80, 1,250,987.49 and 498,633.57

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Solution

The fourth proportional to 906,531.80, 1,250,987.49 and 498,633.57 is: 688,099.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,531.80 : 1,250,987.49 = 498,633.57 : x
  2. Step 2: Convert to fraction form
    906,531.80/1,250,987.49 = 498,633.57/x
  3. Step 3: Cross multiply
    906,531.80x = 1,250,987.49 × 498,633.57
  4. Step 4: Simplify right side
    906,531.80x = 623,784,358,164.04
  5. Step 5: Solve for x
    x = 623,784,358,164.04/906,531.80
  6. Step 6: Final answer
    x = 688,099.81

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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.