Home / 886,866.30-1,330,299.45-603,431.10

Finding the Fourth Proportional to 886,866.30, 1,330,299.45 and 603,431.10

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Solution

The fourth proportional to 886,866.30, 1,330,299.45 and 603,431.10 is: 905,146.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,866.30 : 1,330,299.45 = 603,431.10 : x
  2. Step 2: Convert to fraction form
    886,866.30/1,330,299.45 = 603,431.10/x
  3. Step 3: Cross multiply
    886,866.30x = 1,330,299.45 × 603,431.10
  4. Step 4: Simplify right side
    886,866.30x = 802,744,060,442.90
  5. Step 5: Solve for x
    x = 802,744,060,442.90/886,866.30
  6. Step 6: Final answer
    x = 905,146.65

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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.