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Finding the Fourth Proportional to 526,792.82, 726,974.08 and 285,075.38

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Solution

The fourth proportional to 526,792.82, 726,974.08 and 285,075.38 is: 393,404.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,792.82 : 726,974.08 = 285,075.38 : x
  2. Step 2: Convert to fraction form
    526,792.82/726,974.08 = 285,075.38/x
  3. Step 3: Cross multiply
    526,792.82x = 726,974.08 × 285,075.38
  4. Step 4: Simplify right side
    526,792.82x = 207,242,413,210.90
  5. Step 5: Solve for x
    x = 207,242,413,210.90/526,792.82
  6. Step 6: Final answer
    x = 393,404.02

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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.