Home / 968,431.68-1,336,370.40-538,682.40

Finding the Fourth Proportional to 968,431.68, 1,336,370.40 and 538,682.40

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Solution

The fourth proportional to 968,431.68, 1,336,370.40 and 538,682.40 is: 743,345.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,431.68 : 1,336,370.40 = 538,682.40 : x
  2. Step 2: Convert to fraction form
    968,431.68/1,336,370.40 = 538,682.40/x
  3. Step 3: Cross multiply
    968,431.68x = 1,336,370.40 × 538,682.40
  4. Step 4: Simplify right side
    968,431.68x = 719,879,214,360.96
  5. Step 5: Solve for x
    x = 719,879,214,360.96/968,431.68
  6. Step 6: Final answer
    x = 743,345.38

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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.