Home / 863,935.60-1,295,903.40-548,618.80

Finding the Fourth Proportional to 863,935.60, 1,295,903.40 and 548,618.80

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Solution

The fourth proportional to 863,935.60, 1,295,903.40 and 548,618.80 is: 822,928.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,935.60 : 1,295,903.40 = 548,618.80 : x
  2. Step 2: Convert to fraction form
    863,935.60/1,295,903.40 = 548,618.80/x
  3. Step 3: Cross multiply
    863,935.60x = 1,295,903.40 × 548,618.80
  4. Step 4: Simplify right side
    863,935.60x = 710,956,968,223.92
  5. Step 5: Solve for x
    x = 710,956,968,223.92/863,935.60
  6. Step 6: Final answer
    x = 822,928.20

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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.