Home / 884,100.78-1,326,151.14-323,135.28

Finding the Fourth Proportional to 884,100.78, 1,326,151.14 and 323,135.28

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Solution

The fourth proportional to 884,100.78, 1,326,151.14 and 323,135.28 is: 484,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,100.78 : 1,326,151.14 = 323,135.28 : x
  2. Step 2: Convert to fraction form
    884,100.78/1,326,151.14 = 323,135.28/x
  3. Step 3: Cross multiply
    884,100.78x = 1,326,151.14 × 323,135.28
  4. Step 4: Simplify right side
    884,100.78x = 428,526,219,946.22
  5. Step 5: Solve for x
    x = 428,526,219,946.22/884,100.78
  6. Step 6: Final answer
    x = 484,702.91

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1.5x scale

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.