Home / 753,615.84-1,131,382.98-488,485.80

Finding the Fourth Proportional to 753,615.84, 1,131,382.98 and 488,485.80

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Solution

The fourth proportional to 753,615.84, 1,131,382.98 and 488,485.80 is: 733,350.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,615.84 : 1,131,382.98 = 488,485.80 : x
  2. Step 2: Convert to fraction form
    753,615.84/1,131,382.98 = 488,485.80/x
  3. Step 3: Cross multiply
    753,615.84x = 1,131,382.98 × 488,485.80
  4. Step 4: Simplify right side
    753,615.84x = 552,664,520,091.68
  5. Step 5: Solve for x
    x = 552,664,520,091.68/753,615.84
  6. Step 6: Final answer
    x = 733,350.46

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Double scale
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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.