Home / 823,290.40-1,237,009.20-523,914.40

Finding the Fourth Proportional to 823,290.40, 1,237,009.20 and 523,914.40

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Solution

The fourth proportional to 823,290.40, 1,237,009.20 and 523,914.40 is: 787,191.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,290.40 : 1,237,009.20 = 523,914.40 : x
  2. Step 2: Convert to fraction form
    823,290.40/1,237,009.20 = 523,914.40/x
  3. Step 3: Cross multiply
    823,290.40x = 1,237,009.20 × 523,914.40
  4. Step 4: Simplify right side
    823,290.40x = 648,086,932,812.48
  5. Step 5: Solve for x
    x = 648,086,932,812.48/823,290.40
  6. Step 6: Final answer
    x = 787,191.17

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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.