Home / 965,935.20-1,448,902.80-611,349.60

Finding the Fourth Proportional to 965,935.20, 1,448,902.80 and 611,349.60

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Solution

The fourth proportional to 965,935.20, 1,448,902.80 and 611,349.60 is: 917,024.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,935.20 : 1,448,902.80 = 611,349.60 : x
  2. Step 2: Convert to fraction form
    965,935.20/1,448,902.80 = 611,349.60/x
  3. Step 3: Cross multiply
    965,935.20x = 1,448,902.80 × 611,349.60
  4. Step 4: Simplify right side
    965,935.20x = 885,786,147,218.88
  5. Step 5: Solve for x
    x = 885,786,147,218.88/965,935.20
  6. Step 6: Final answer
    x = 917,024.40

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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.