Home / 780,265.50-1,076,854.05-440,755.62

Finding the Fourth Proportional to 780,265.50, 1,076,854.05 and 440,755.62

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Solution

The fourth proportional to 780,265.50, 1,076,854.05 and 440,755.62 is: 608,292.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,265.50 : 1,076,854.05 = 440,755.62 : x
  2. Step 2: Convert to fraction form
    780,265.50/1,076,854.05 = 440,755.62/x
  3. Step 3: Cross multiply
    780,265.50x = 1,076,854.05 × 440,755.62
  4. Step 4: Simplify right side
    780,265.50x = 474,629,474,457.26
  5. Step 5: Solve for x
    x = 474,629,474,457.26/780,265.50
  6. Step 6: Final answer
    x = 608,292.27

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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.