Home / 772,361.40-1,157,850.90-298,889.40

Finding the Fourth Proportional to 772,361.40, 1,157,850.90 and 298,889.40

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Solution

The fourth proportional to 772,361.40, 1,157,850.90 and 298,889.40 is: 448,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,361.40 : 1,157,850.90 = 298,889.40 : x
  2. Step 2: Convert to fraction form
    772,361.40/1,157,850.90 = 298,889.40/x
  3. Step 3: Cross multiply
    772,361.40x = 1,157,850.90 × 298,889.40
  4. Step 4: Simplify right side
    772,361.40x = 346,069,360,790.46
  5. Step 5: Solve for x
    x = 346,069,360,790.46/772,361.40
  6. Step 6: Final answer
    x = 448,066.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.