Home / 888,631.75-1,226,312.63-486,223.75

Finding the Fourth Proportional to 888,631.75, 1,226,312.63 and 486,223.75

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Solution

The fourth proportional to 888,631.75, 1,226,312.63 and 486,223.75 is: 670,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,631.75 : 1,226,312.63 = 486,223.75 : x
  2. Step 2: Convert to fraction form
    888,631.75/1,226,312.63 = 486,223.75/x
  3. Step 3: Cross multiply
    888,631.75x = 1,226,312.63 × 486,223.75
  4. Step 4: Simplify right side
    888,631.75x = 596,262,325,630.96
  5. Step 5: Solve for x
    x = 596,262,325,630.96/888,631.75
  6. Step 6: Final answer
    x = 670,989.22

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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.