Home / 743,172.56-1,115,054.22-237,811.40

Finding the Fourth Proportional to 743,172.56, 1,115,054.22 and 237,811.40

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Solution

The fourth proportional to 743,172.56, 1,115,054.22 and 237,811.40 is: 356,811.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,172.56 : 1,115,054.22 = 237,811.40 : x
  2. Step 2: Convert to fraction form
    743,172.56/1,115,054.22 = 237,811.40/x
  3. Step 3: Cross multiply
    743,172.56x = 1,115,054.22 × 237,811.40
  4. Step 4: Simplify right side
    743,172.56x = 265,172,605,134.11
  5. Step 5: Solve for x
    x = 265,172,605,134.11/743,172.56
  6. Step 6: Final answer
    x = 356,811.62

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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.