Home / 985,182.75-1,477,836.45-416,457.87

Finding the Fourth Proportional to 985,182.75, 1,477,836.45 and 416,457.87

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Solution

The fourth proportional to 985,182.75, 1,477,836.45 and 416,457.87 is: 624,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,182.75 : 1,477,836.45 = 416,457.87 : x
  2. Step 2: Convert to fraction form
    985,182.75/1,477,836.45 = 416,457.87/x
  3. Step 3: Cross multiply
    985,182.75x = 1,477,836.45 × 416,457.87
  4. Step 4: Simplify right side
    985,182.75x = 615,456,620,175.36
  5. Step 5: Solve for x
    x = 615,456,620,175.36/985,182.75
  6. Step 6: Final answer
    x = 624,713.15

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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.