Home / 801,742.92-1,106,365.92-439,168.40

Finding the Fourth Proportional to 801,742.92, 1,106,365.92 and 439,168.40

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Solution

The fourth proportional to 801,742.92, 1,106,365.92 and 439,168.40 is: 606,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,742.92 : 1,106,365.92 = 439,168.40 : x
  2. Step 2: Convert to fraction form
    801,742.92/1,106,365.92 = 439,168.40/x
  3. Step 3: Cross multiply
    801,742.92x = 1,106,365.92 × 439,168.40
  4. Step 4: Simplify right side
    801,742.92x = 485,880,945,369.10
  5. Step 5: Solve for x
    x = 485,880,945,369.10/801,742.92
  6. Step 6: Final answer
    x = 606,030.85

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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.