Home / 965,645.20-1,448,467.80-517,747.60

Finding the Fourth Proportional to 965,645.20, 1,448,467.80 and 517,747.60

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Solution

The fourth proportional to 965,645.20, 1,448,467.80 and 517,747.60 is: 776,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,645.20 : 1,448,467.80 = 517,747.60 : x
  2. Step 2: Convert to fraction form
    965,645.20/1,448,467.80 = 517,747.60/x
  3. Step 3: Cross multiply
    965,645.20x = 1,448,467.80 × 517,747.60
  4. Step 4: Simplify right side
    965,645.20x = 749,940,727,127.28
  5. Step 5: Solve for x
    x = 749,940,727,127.28/965,645.20
  6. Step 6: Final answer
    x = 776,621.40

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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.