Home / 906,200.73-1,250,636.63-498,374.37

Finding the Fourth Proportional to 906,200.73, 1,250,636.63 and 498,374.37

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Solution

The fourth proportional to 906,200.73, 1,250,636.63 and 498,374.37 is: 687,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,200.73 : 1,250,636.63 = 498,374.37 : x
  2. Step 2: Convert to fraction form
    906,200.73/1,250,636.63 = 498,374.37/x
  3. Step 3: Cross multiply
    906,200.73x = 1,250,636.63 × 498,374.37
  4. Step 4: Simplify right side
    906,200.73x = 623,285,240,083.30
  5. Step 5: Solve for x
    x = 623,285,240,083.30/906,200.73
  6. Step 6: Final answer
    x = 687,800.42

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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.