Home / 743,303.30-1,115,121.11-237,894.57

Finding the Fourth Proportional to 743,303.30, 1,115,121.11 and 237,894.57

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Solution

The fourth proportional to 743,303.30, 1,115,121.11 and 237,894.57 is: 356,895.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,303.30 : 1,115,121.11 = 237,894.57 : x
  2. Step 2: Convert to fraction form
    743,303.30/1,115,121.11 = 237,894.57/x
  3. Step 3: Cross multiply
    743,303.30x = 1,115,121.11 × 237,894.57
  4. Step 4: Simplify right side
    743,303.30x = 265,281,255,771.90
  5. Step 5: Solve for x
    x = 265,281,255,771.90/743,303.30
  6. Step 6: Final answer
    x = 356,895.04

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Double scale
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1.5x scale

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.