Home / 724,301.60-1,085,674.80-274,848.80

Finding the Fourth Proportional to 724,301.60, 1,085,674.80 and 274,848.80

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Solution

The fourth proportional to 724,301.60, 1,085,674.80 and 274,848.80 is: 411,978.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,301.60 : 1,085,674.80 = 274,848.80 : x
  2. Step 2: Convert to fraction form
    724,301.60/1,085,674.80 = 274,848.80/x
  3. Step 3: Cross multiply
    724,301.60x = 1,085,674.80 × 274,848.80
  4. Step 4: Simplify right side
    724,301.60x = 298,396,415,970.24
  5. Step 5: Solve for x
    x = 298,396,415,970.24/724,301.60
  6. Step 6: Final answer
    x = 411,978.13

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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.