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Finding the Fourth Proportional to 675,485.07, 932,016.76 and 403,499.73

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Solution

The fourth proportional to 675,485.07, 932,016.76 and 403,499.73 is: 556,738.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,485.07 : 932,016.76 = 403,499.73 : x
  2. Step 2: Convert to fraction form
    675,485.07/932,016.76 = 403,499.73/x
  3. Step 3: Cross multiply
    675,485.07x = 932,016.76 × 403,499.73
  4. Step 4: Simplify right side
    675,485.07x = 376,068,511,015.48
  5. Step 5: Solve for x
    x = 376,068,511,015.48/675,485.07
  6. Step 6: Final answer
    x = 556,738.45

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1.5x scale

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.