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Finding the Fourth Proportional to 540,544.08, 746,015.72 and 314,189.60

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Solution

The fourth proportional to 540,544.08, 746,015.72 and 314,189.60 is: 433,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,544.08 : 746,015.72 = 314,189.60 : x
  2. Step 2: Convert to fraction form
    540,544.08/746,015.72 = 314,189.60/x
  3. Step 3: Cross multiply
    540,544.08x = 746,015.72 × 314,189.60
  4. Step 4: Simplify right side
    540,544.08x = 234,390,380,660.51
  5. Step 5: Solve for x
    x = 234,390,380,660.51/540,544.08
  6. Step 6: Final answer
    x = 433,619.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.