Home / 457,089.40-684,078.90-401,102.20

Finding the Fourth Proportional to 457,089.40, 684,078.90 and 401,102.20

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Solution

The fourth proportional to 457,089.40, 684,078.90 and 401,102.20 is: 600,288.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,089.40 : 684,078.90 = 401,102.20 : x
  2. Step 2: Convert to fraction form
    457,089.40/684,078.90 = 401,102.20/x
  3. Step 3: Cross multiply
    457,089.40x = 684,078.90 × 401,102.20
  4. Step 4: Simplify right side
    457,089.40x = 274,385,551,763.58
  5. Step 5: Solve for x
    x = 274,385,551,763.58/457,089.40
  6. Step 6: Final answer
    x = 600,288.59

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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.