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Finding the Fourth Proportional to 525,265.34, 788,144.04 and 258,880.64

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Solution

The fourth proportional to 525,265.34, 788,144.04 and 258,880.64 is: 388,442.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,265.34 : 788,144.04 = 258,880.64 : x
  2. Step 2: Convert to fraction form
    525,265.34/788,144.04 = 258,880.64/x
  3. Step 3: Cross multiply
    525,265.34x = 788,144.04 × 258,880.64
  4. Step 4: Simplify right side
    525,265.34x = 204,035,229,546.67
  5. Step 5: Solve for x
    x = 204,035,229,546.67/525,265.34
  6. Step 6: Final answer
    x = 388,442.21

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1.5x scale

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.