Home / 965,585.48-1,333,613.88-635,915.12

Finding the Fourth Proportional to 965,585.48, 1,333,613.88 and 635,915.12

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Solution

The fourth proportional to 965,585.48, 1,333,613.88 and 635,915.12 is: 878,291.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,585.48 : 1,333,613.88 = 635,915.12 : x
  2. Step 2: Convert to fraction form
    965,585.48/1,333,613.88 = 635,915.12/x
  3. Step 3: Cross multiply
    965,585.48x = 1,333,613.88 × 635,915.12
  4. Step 4: Simplify right side
    965,585.48x = 848,065,236,368.43
  5. Step 5: Solve for x
    x = 848,065,236,368.43/965,585.48
  6. Step 6: Final answer
    x = 878,291.21

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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.