Home / 743,173.56-1,115,055.72-237,812.40

Finding the Fourth Proportional to 743,173.56, 1,115,055.72 and 237,812.40

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Solution

The fourth proportional to 743,173.56, 1,115,055.72 and 237,812.40 is: 356,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,173.56 : 1,115,055.72 = 237,812.40 : x
  2. Step 2: Convert to fraction form
    743,173.56/1,115,055.72 = 237,812.40/x
  3. Step 3: Cross multiply
    743,173.56x = 1,115,055.72 × 237,812.40
  4. Step 4: Simplify right side
    743,173.56x = 265,174,076,906.93
  5. Step 5: Solve for x
    x = 265,174,076,906.93/743,173.56
  6. Step 6: Final answer
    x = 356,813.12

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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.