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Finding the Fourth Proportional to 540,614.79, 746,018.28 and 298,883.25

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Solution

The fourth proportional to 540,614.79, 746,018.28 and 298,883.25 is: 412,442.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,614.79 : 746,018.28 = 298,883.25 : x
  2. Step 2: Convert to fraction form
    540,614.79/746,018.28 = 298,883.25/x
  3. Step 3: Cross multiply
    540,614.79x = 746,018.28 × 298,883.25
  4. Step 4: Simplify right side
    540,614.79x = 222,972,368,085.81
  5. Step 5: Solve for x
    x = 222,972,368,085.81/540,614.79
  6. Step 6: Final answer
    x = 412,442.23

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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.