Home / 743,188.14-1,114,837.77-210,752.04

Finding the Fourth Proportional to 743,188.14, 1,114,837.77 and 210,752.04

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Solution

The fourth proportional to 743,188.14, 1,114,837.77 and 210,752.04 is: 316,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,188.14 : 1,114,837.77 = 210,752.04 : x
  2. Step 2: Convert to fraction form
    743,188.14/1,114,837.77 = 210,752.04/x
  3. Step 3: Cross multiply
    743,188.14x = 1,114,837.77 × 210,752.04
  4. Step 4: Simplify right side
    743,188.14x = 234,954,334,296.55
  5. Step 5: Solve for x
    x = 234,954,334,296.55/743,188.14
  6. Step 6: Final answer
    x = 316,143.82

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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.