Home / 879,225.20-1,318,653.26-247,991.40

Finding the Fourth Proportional to 879,225.20, 1,318,653.26 and 247,991.40

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Solution

The fourth proportional to 879,225.20, 1,318,653.26 and 247,991.40 is: 371,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,225.20 : 1,318,653.26 = 247,991.40 : x
  2. Step 2: Convert to fraction form
    879,225.20/1,318,653.26 = 247,991.40/x
  3. Step 3: Cross multiply
    879,225.20x = 1,318,653.26 × 247,991.40
  4. Step 4: Simplify right side
    879,225.20x = 327,014,668,061.96
  5. Step 5: Solve for x
    x = 327,014,668,061.96/879,225.20
  6. Step 6: Final answer
    x = 371,935.05

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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.