Home / 965,338.10-1,448,007.15-611,918.90

Finding the Fourth Proportional to 965,338.10, 1,448,007.15 and 611,918.90

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Solution

The fourth proportional to 965,338.10, 1,448,007.15 and 611,918.90 is: 917,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,338.10 : 1,448,007.15 = 611,918.90 : x
  2. Step 2: Convert to fraction form
    965,338.10/1,448,007.15 = 611,918.90/x
  3. Step 3: Cross multiply
    965,338.10x = 1,448,007.15 × 611,918.90
  4. Step 4: Simplify right side
    965,338.10x = 886,062,942,420.14
  5. Step 5: Solve for x
    x = 886,062,942,420.14/965,338.10
  6. Step 6: Final answer
    x = 917,878.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.