Home / 887,109.45-1,330,644.96-247,396.20

Finding the Fourth Proportional to 887,109.45, 1,330,644.96 and 247,396.20

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Solution

The fourth proportional to 887,109.45, 1,330,644.96 and 247,396.20 is: 371,088.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,109.45 : 1,330,644.96 = 247,396.20 : x
  2. Step 2: Convert to fraction form
    887,109.45/1,330,644.96 = 247,396.20/x
  3. Step 3: Cross multiply
    887,109.45x = 1,330,644.96 × 247,396.20
  4. Step 4: Simplify right side
    887,109.45x = 329,196,506,653.15
  5. Step 5: Solve for x
    x = 329,196,506,653.15/887,109.45
  6. Step 6: Final answer
    x = 371,088.94

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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.