Home / 863,047.20-1,294,457.40-264,068.40

Finding the Fourth Proportional to 863,047.20, 1,294,457.40 and 264,068.40

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Solution

The fourth proportional to 863,047.20, 1,294,457.40 and 264,068.40 is: 396,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,047.20 : 1,294,457.40 = 264,068.40 : x
  2. Step 2: Convert to fraction form
    863,047.20/1,294,457.40 = 264,068.40/x
  3. Step 3: Cross multiply
    863,047.20x = 1,294,457.40 × 264,068.40
  4. Step 4: Simplify right side
    863,047.20x = 341,825,294,486.16
  5. Step 5: Solve for x
    x = 341,825,294,486.16/863,047.20
  6. Step 6: Final answer
    x = 396,067.90

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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.