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Finding the Fourth Proportional to 526,718.97, 726,871.32 and 297,324.54

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Solution

The fourth proportional to 526,718.97, 726,871.32 and 297,324.54 is: 410,307.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,718.97 : 726,871.32 = 297,324.54 : x
  2. Step 2: Convert to fraction form
    526,718.97/726,871.32 = 297,324.54/x
  3. Step 3: Cross multiply
    526,718.97x = 726,871.32 × 297,324.54
  4. Step 4: Simplify right side
    526,718.97x = 216,116,680,858.19
  5. Step 5: Solve for x
    x = 216,116,680,858.19/526,718.97
  6. Step 6: Final answer
    x = 410,307.38

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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.