Home / 906,448.60-1,250,934.75-498,588.39

Finding the Fourth Proportional to 906,448.60, 1,250,934.75 and 498,588.39

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Solution

The fourth proportional to 906,448.60, 1,250,934.75 and 498,588.39 is: 688,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,448.60 : 1,250,934.75 = 498,588.39 : x
  2. Step 2: Convert to fraction form
    906,448.60/1,250,934.75 = 498,588.39/x
  3. Step 3: Cross multiply
    906,448.60x = 1,250,934.75 × 498,588.39
  4. Step 4: Simplify right side
    906,448.60x = 623,701,542,353.19
  5. Step 5: Solve for x
    x = 623,701,542,353.19/906,448.60
  6. Step 6: Final answer
    x = 688,071.61

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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.