Home / 771,873.45-1,065,169.44-427,706.43

Finding the Fourth Proportional to 771,873.45, 1,065,169.44 and 427,706.43

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Solution

The fourth proportional to 771,873.45, 1,065,169.44 and 427,706.43 is: 590,226.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,873.45 : 1,065,169.44 = 427,706.43 : x
  2. Step 2: Convert to fraction form
    771,873.45/1,065,169.44 = 427,706.43/x
  3. Step 3: Cross multiply
    771,873.45x = 1,065,169.44 × 427,706.43
  4. Step 4: Simplify right side
    771,873.45x = 455,579,814,533.11
  5. Step 5: Solve for x
    x = 455,579,814,533.11/771,873.45
  6. Step 6: Final answer
    x = 590,226.04

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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.