Home / 903,824.64-1,247,236.26-495,916.32

Finding the Fourth Proportional to 903,824.64, 1,247,236.26 and 495,916.32

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Solution

The fourth proportional to 903,824.64, 1,247,236.26 and 495,916.32 is: 684,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,824.64 : 1,247,236.26 = 495,916.32 : x
  2. Step 2: Convert to fraction form
    903,824.64/1,247,236.26 = 495,916.32/x
  3. Step 3: Cross multiply
    903,824.64x = 1,247,236.26 × 495,916.32
  4. Step 4: Simplify right side
    903,824.64x = 618,524,816,229.76
  5. Step 5: Solve for x
    x = 618,524,816,229.76/903,824.64
  6. Step 6: Final answer
    x = 684,341.62

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Double scale
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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.