Home / 728,875.60-1,093,313.40-635,563.60

Finding the Fourth Proportional to 728,875.60, 1,093,313.40 and 635,563.60

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Solution

The fourth proportional to 728,875.60, 1,093,313.40 and 635,563.60 is: 953,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,875.60 : 1,093,313.40 = 635,563.60 : x
  2. Step 2: Convert to fraction form
    728,875.60/1,093,313.40 = 635,563.60/x
  3. Step 3: Cross multiply
    728,875.60x = 1,093,313.40 × 635,563.60
  4. Step 4: Simplify right side
    728,875.60x = 694,870,200,432.24
  5. Step 5: Solve for x
    x = 694,870,200,432.24/728,875.60
  6. Step 6: Final answer
    x = 953,345.40

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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.