Home / 817,938.60-1,128,727.62-460,173.48

Finding the Fourth Proportional to 817,938.60, 1,128,727.62 and 460,173.48

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Solution

The fourth proportional to 817,938.60, 1,128,727.62 and 460,173.48 is: 635,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,938.60 : 1,128,727.62 = 460,173.48 : x
  2. Step 2: Convert to fraction form
    817,938.60/1,128,727.62 = 460,173.48/x
  3. Step 3: Cross multiply
    817,938.60x = 1,128,727.62 × 460,173.48
  4. Step 4: Simplify right side
    817,938.60x = 519,410,516,867.52
  5. Step 5: Solve for x
    x = 519,410,516,867.52/817,938.60
  6. Step 6: Final answer
    x = 635,023.85

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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.