Home / 886,921.30-1,330,381.95-603,486.10

Finding the Fourth Proportional to 886,921.30, 1,330,381.95 and 603,486.10

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Solution

The fourth proportional to 886,921.30, 1,330,381.95 and 603,486.10 is: 905,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,921.30 : 1,330,381.95 = 603,486.10 : x
  2. Step 2: Convert to fraction form
    886,921.30/1,330,381.95 = 603,486.10/x
  3. Step 3: Cross multiply
    886,921.30x = 1,330,381.95 × 603,486.10
  4. Step 4: Simplify right side
    886,921.30x = 802,867,014,515.90
  5. Step 5: Solve for x
    x = 802,867,014,515.90/886,921.30
  6. Step 6: Final answer
    x = 905,229.15

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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.