Home / 884,666.54-1,326,662.64-315,941.45

Finding the Fourth Proportional to 884,666.54, 1,326,662.64 and 315,941.45

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Solution

The fourth proportional to 884,666.54, 1,326,662.64 and 315,941.45 is: 473,791.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,666.54 : 1,326,662.64 = 315,941.45 : x
  2. Step 2: Convert to fraction form
    884,666.54/1,326,662.64 = 315,941.45/x
  3. Step 3: Cross multiply
    884,666.54x = 1,326,662.64 × 315,941.45
  4. Step 4: Simplify right side
    884,666.54x = 419,147,711,509.12
  5. Step 5: Solve for x
    x = 419,147,711,509.12/884,666.54
  6. Step 6: Final answer
    x = 473,791.75

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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.