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Finding the Fourth Proportional to 437,465.60, 654,643.20 and 303,718.40

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Solution

The fourth proportional to 437,465.60, 654,643.20 and 303,718.40 is: 454,497.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,465.60 : 654,643.20 = 303,718.40 : x
  2. Step 2: Convert to fraction form
    437,465.60/654,643.20 = 303,718.40/x
  3. Step 3: Cross multiply
    437,465.60x = 654,643.20 × 303,718.40
  4. Step 4: Simplify right side
    437,465.60x = 198,827,185,274.88
  5. Step 5: Solve for x
    x = 198,827,185,274.88/437,465.60
  6. Step 6: Final answer
    x = 454,497.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.