Home / 817,945.60-1,128,737.28-460,180.48

Finding the Fourth Proportional to 817,945.60, 1,128,737.28 and 460,180.48

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Solution

The fourth proportional to 817,945.60, 1,128,737.28 and 460,180.48 is: 635,033.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,945.60 : 1,128,737.28 = 460,180.48 : x
  2. Step 2: Convert to fraction form
    817,945.60/1,128,737.28 = 460,180.48/x
  3. Step 3: Cross multiply
    817,945.60x = 1,128,737.28 × 460,180.48
  4. Step 4: Simplify right side
    817,945.60x = 519,422,863,304.29
  5. Step 5: Solve for x
    x = 519,422,863,304.29/817,945.60
  6. Step 6: Final answer
    x = 635,033.51

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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.