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Finding the Fourth Proportional to 540,280.64, 745,585.44 and 298,556.48

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Solution

The fourth proportional to 540,280.64, 745,585.44 and 298,556.48 is: 412,006.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,280.64 : 745,585.44 = 298,556.48 : x
  2. Step 2: Convert to fraction form
    540,280.64/745,585.44 = 298,556.48/x
  3. Step 3: Cross multiply
    540,280.64x = 745,585.44 × 298,556.48
  4. Step 4: Simplify right side
    540,280.64x = 222,599,364,505.65
  5. Step 5: Solve for x
    x = 222,599,364,505.65/540,280.64
  6. Step 6: Final answer
    x = 412,006.92

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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.