Home / 743,113.92-1,114,452.04-210,681.44

Finding the Fourth Proportional to 743,113.92, 1,114,452.04 and 210,681.44

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Solution

The fourth proportional to 743,113.92, 1,114,452.04 and 210,681.44 is: 315,960.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,113.92 : 1,114,452.04 = 210,681.44 : x
  2. Step 2: Convert to fraction form
    743,113.92/1,114,452.04 = 210,681.44/x
  3. Step 3: Cross multiply
    743,113.92x = 1,114,452.04 × 210,681.44
  4. Step 4: Simplify right side
    743,113.92x = 234,794,360,598.14
  5. Step 5: Solve for x
    x = 234,794,360,598.14/743,113.92
  6. Step 6: Final answer
    x = 315,960.12

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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.