Home / 591,433.38-816,177.20-336,784.64

Finding the Fourth Proportional to 591,433.38, 816,177.20 and 336,784.64

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Solution

The fourth proportional to 591,433.38, 816,177.20 and 336,784.64 is: 464,762.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,433.38 : 816,177.20 = 336,784.64 : x
  2. Step 2: Convert to fraction form
    591,433.38/816,177.20 = 336,784.64/x
  3. Step 3: Cross multiply
    591,433.38x = 816,177.20 × 336,784.64
  4. Step 4: Simplify right side
    591,433.38x = 274,875,938,713.40
  5. Step 5: Solve for x
    x = 274,875,938,713.40/591,433.38
  6. Step 6: Final answer
    x = 464,762.30

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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.