Home / 776,285.62-1,071,263.19-436,753.06

Finding the Fourth Proportional to 776,285.62, 1,071,263.19 and 436,753.06

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Solution

The fourth proportional to 776,285.62, 1,071,263.19 and 436,753.06 is: 602,713.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,285.62 : 1,071,263.19 = 436,753.06 : x
  2. Step 2: Convert to fraction form
    776,285.62/1,071,263.19 = 436,753.06/x
  3. Step 3: Cross multiply
    776,285.62x = 1,071,263.19 × 436,753.06
  4. Step 4: Simplify right side
    776,285.62x = 467,877,476,792.25
  5. Step 5: Solve for x
    x = 467,877,476,792.25/776,285.62
  6. Step 6: Final answer
    x = 602,713.05

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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.