Home / 801,383.68-1,105,939.28-457,275.68

Finding the Fourth Proportional to 801,383.68, 1,105,939.28 and 457,275.68

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Solution

The fourth proportional to 801,383.68, 1,105,939.28 and 457,275.68 is: 631,057.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,383.68 : 1,105,939.28 = 457,275.68 : x
  2. Step 2: Convert to fraction form
    801,383.68/1,105,939.28 = 457,275.68/x
  3. Step 3: Cross multiply
    801,383.68x = 1,105,939.28 × 457,275.68
  4. Step 4: Simplify right side
    801,383.68x = 505,719,136,300.71
  5. Step 5: Solve for x
    x = 505,719,136,300.71/801,383.68
  6. Step 6: Final answer
    x = 631,057.44

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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.