Home / 749,969.12-1,125,171.54-270,187.81

Finding the Fourth Proportional to 749,969.12, 1,125,171.54 and 270,187.81

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Solution

The fourth proportional to 749,969.12, 1,125,171.54 and 270,187.81 is: 405,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,969.12 : 1,125,171.54 = 270,187.81 : x
  2. Step 2: Convert to fraction form
    749,969.12/1,125,171.54 = 270,187.81/x
  3. Step 3: Cross multiply
    749,969.12x = 1,125,171.54 × 270,187.81
  4. Step 4: Simplify right side
    749,969.12x = 304,007,631,454.00
  5. Step 5: Solve for x
    x = 304,007,631,454.00/749,969.12
  6. Step 6: Final answer
    x = 405,360.20

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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.