Home / 540,632.79-746,043.12-298,901.25

Finding the Fourth Proportional to 540,632.79, 746,043.12 and 298,901.25

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Solution

The fourth proportional to 540,632.79, 746,043.12 and 298,901.25 is: 412,467.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,632.79 : 746,043.12 = 298,901.25 : x
  2. Step 2: Convert to fraction form
    540,632.79/746,043.12 = 298,901.25/x
  3. Step 3: Cross multiply
    540,632.79x = 746,043.12 × 298,901.25
  4. Step 4: Simplify right side
    540,632.79x = 222,993,221,121.90
  5. Step 5: Solve for x
    x = 222,993,221,121.90/540,632.79
  6. Step 6: Final answer
    x = 412,467.07

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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.