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Finding the Fourth Proportional to 658,333.60, 889,450.20 and 658,333.60

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Solution

The fourth proportional to 658,333.60, 889,450.20 and 658,333.60 is: 889,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,333.60 : 889,450.20 = 658,333.60 : x
  2. Step 2: Convert to fraction form
    658,333.60/889,450.20 = 658,333.60/x
  3. Step 3: Cross multiply
    658,333.60x = 889,450.20 × 658,333.60
  4. Step 4: Simplify right side
    658,333.60x = 585,554,952,186.72
  5. Step 5: Solve for x
    x = 585,554,952,186.72/658,333.60
  6. Step 6: Final answer
    x = 889,450.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.