Home / 776,287.56-1,071,265.86-436,755

Finding the Fourth Proportional to 776,287.56, 1,071,265.86 and 436,755

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Solution

The fourth proportional to 776,287.56, 1,071,265.86 and 436,755 is: 602,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,287.56 : 1,071,265.86 = 436,755 : x
  2. Step 2: Convert to fraction form
    776,287.56/1,071,265.86 = 436,755/x
  3. Step 3: Cross multiply
    776,287.56x = 1,071,265.86 × 436,755
  4. Step 4: Simplify right side
    776,287.56x = 467,880,720,684.30
  5. Step 5: Solve for x
    x = 467,880,720,684.30/776,287.56
  6. Step 6: Final answer
    x = 602,715.73

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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.