Home / 839,622.11-1,157,762.83-567,217.02

Finding the Fourth Proportional to 839,622.11, 1,157,762.83 and 567,217.02

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Solution

The fourth proportional to 839,622.11, 1,157,762.83 and 567,217.02 is: 782,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,622.11 : 1,157,762.83 = 567,217.02 : x
  2. Step 2: Convert to fraction form
    839,622.11/1,157,762.83 = 567,217.02/x
  3. Step 3: Cross multiply
    839,622.11x = 1,157,762.83 × 567,217.02
  4. Step 4: Simplify right side
    839,622.11x = 656,702,778,943.62
  5. Step 5: Solve for x
    x = 656,702,778,943.62/839,622.11
  6. Step 6: Final answer
    x = 782,140.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.