Home / 801,471.78-1,106,031.33-438,918.18

Finding the Fourth Proportional to 801,471.78, 1,106,031.33 and 438,918.18

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Solution

The fourth proportional to 801,471.78, 1,106,031.33 and 438,918.18 is: 605,707.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,471.78 : 1,106,031.33 = 438,918.18 : x
  2. Step 2: Convert to fraction form
    801,471.78/1,106,031.33 = 438,918.18/x
  3. Step 3: Cross multiply
    801,471.78x = 1,106,031.33 × 438,918.18
  4. Step 4: Simplify right side
    801,471.78x = 485,457,258,386.58
  5. Step 5: Solve for x
    x = 485,457,258,386.58/801,471.78
  6. Step 6: Final answer
    x = 605,707.24

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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.