Home / 797,918.40-1,197,655.20-399,009.60

Finding the Fourth Proportional to 797,918.40, 1,197,655.20 and 399,009.60

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Solution

The fourth proportional to 797,918.40, 1,197,655.20 and 399,009.60 is: 598,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    797,918.40 : 1,197,655.20 = 399,009.60 : x
  2. Step 2: Convert to fraction form
    797,918.40/1,197,655.20 = 399,009.60/x
  3. Step 3: Cross multiply
    797,918.40x = 1,197,655.20 × 399,009.60
  4. Step 4: Simplify right side
    797,918.40x = 477,875,922,289.92
  5. Step 5: Solve for x
    x = 477,875,922,289.92/797,918.40
  6. Step 6: Final answer
    x = 598,903.25

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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.