Home / 746,998.60-1,121,664.30-432,070.60

Finding the Fourth Proportional to 746,998.60, 1,121,664.30 and 432,070.60

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Solution

The fourth proportional to 746,998.60, 1,121,664.30 and 432,070.60 is: 648,780.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,998.60 : 1,121,664.30 = 432,070.60 : x
  2. Step 2: Convert to fraction form
    746,998.60/1,121,664.30 = 432,070.60/x
  3. Step 3: Cross multiply
    746,998.60x = 1,121,664.30 × 432,070.60
  4. Step 4: Simplify right side
    746,998.60x = 484,638,167,099.58
  5. Step 5: Solve for x
    x = 484,638,167,099.58/746,998.60
  6. Step 6: Final answer
    x = 648,780.56

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.