Home / 780,583.74-1,076,810.94-522,471.66

Finding the Fourth Proportional to 780,583.74, 1,076,810.94 and 522,471.66

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Solution

The fourth proportional to 780,583.74, 1,076,810.94 and 522,471.66 is: 720,746.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,583.74 : 1,076,810.94 = 522,471.66 : x
  2. Step 2: Convert to fraction form
    780,583.74/1,076,810.94 = 522,471.66/x
  3. Step 3: Cross multiply
    780,583.74x = 1,076,810.94 × 522,471.66
  4. Step 4: Simplify right side
    780,583.74x = 562,603,199,327.96
  5. Step 5: Solve for x
    x = 562,603,199,327.96/780,583.74
  6. Step 6: Final answer
    x = 720,746.76

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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.