Home / 756,240-1,043,633.16-416,730.12

Finding the Fourth Proportional to 756,240, 1,043,633.16 and 416,730.12

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Solution

The fourth proportional to 756,240, 1,043,633.16 and 416,730.12 is: 575,099.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,240 : 1,043,633.16 = 416,730.12 : x
  2. Step 2: Convert to fraction form
    756,240/1,043,633.16 = 416,730.12/x
  3. Step 3: Cross multiply
    756,240x = 1,043,633.16 × 416,730.12
  4. Step 4: Simplify right side
    756,240x = 434,913,372,002.78
  5. Step 5: Solve for x
    x = 434,913,372,002.78/756,240
  6. Step 6: Final answer
    x = 575,099.67

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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.