Home / 770,318.10-1,063,007.01-448,028.82

Finding the Fourth Proportional to 770,318.10, 1,063,007.01 and 448,028.82

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Solution

The fourth proportional to 770,318.10, 1,063,007.01 and 448,028.82 is: 618,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,318.10 : 1,063,007.01 = 448,028.82 : x
  2. Step 2: Convert to fraction form
    770,318.10/1,063,007.01 = 448,028.82/x
  3. Step 3: Cross multiply
    770,318.10x = 1,063,007.01 × 448,028.82
  4. Step 4: Simplify right side
    770,318.10x = 476,257,776,342.03
  5. Step 5: Solve for x
    x = 476,257,776,342.03/770,318.10
  6. Step 6: Final answer
    x = 618,261.18

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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.