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Finding the Fourth Proportional to 540,598.60, 745,993.96 and 298,866.72

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Solution

The fourth proportional to 540,598.60, 745,993.96 and 298,866.72 is: 412,418.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,598.60 : 745,993.96 = 298,866.72 : x
  2. Step 2: Convert to fraction form
    540,598.60/745,993.96 = 298,866.72/x
  3. Step 3: Cross multiply
    540,598.60x = 745,993.96 × 298,866.72
  4. Step 4: Simplify right side
    540,598.60x = 222,952,767,965.01
  5. Step 5: Solve for x
    x = 222,952,767,965.01/540,598.60
  6. Step 6: Final answer
    x = 412,418.32

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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.