Home / 466,142.28-643,325.73-284,960.28

Finding the Fourth Proportional to 466,142.28, 643,325.73 and 284,960.28

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Solution

The fourth proportional to 466,142.28, 643,325.73 and 284,960.28 is: 393,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,142.28 : 643,325.73 = 284,960.28 : x
  2. Step 2: Convert to fraction form
    466,142.28/643,325.73 = 284,960.28/x
  3. Step 3: Cross multiply
    466,142.28x = 643,325.73 × 284,960.28
  4. Step 4: Simplify right side
    466,142.28x = 183,322,280,152.00
  5. Step 5: Solve for x
    x = 183,322,280,152.00/466,142.28
  6. Step 6: Final answer
    x = 393,275.38

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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.