Home / 856,148.54-1,284,235.36-406,915.25

Finding the Fourth Proportional to 856,148.54, 1,284,235.36 and 406,915.25

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Solution

The fourth proportional to 856,148.54, 1,284,235.36 and 406,915.25 is: 610,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,148.54 : 1,284,235.36 = 406,915.25 : x
  2. Step 2: Convert to fraction form
    856,148.54/1,284,235.36 = 406,915.25/x
  3. Step 3: Cross multiply
    856,148.54x = 1,284,235.36 × 406,915.25
  4. Step 4: Simplify right side
    856,148.54x = 522,574,952,573.24
  5. Step 5: Solve for x
    x = 522,574,952,573.24/856,148.54
  6. Step 6: Final answer
    x = 610,378.84

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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.