Home / 968,699.08-1,336,811.30-538,997.32

Finding the Fourth Proportional to 968,699.08, 1,336,811.30 and 538,997.32

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Solution

The fourth proportional to 968,699.08, 1,336,811.30 and 538,997.32 is: 743,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,699.08 : 1,336,811.30 = 538,997.32 : x
  2. Step 2: Convert to fraction form
    968,699.08/1,336,811.30 = 538,997.32/x
  3. Step 3: Cross multiply
    968,699.08x = 1,336,811.30 × 538,997.32
  4. Step 4: Simplify right side
    968,699.08x = 720,537,708,045.72
  5. Step 5: Solve for x
    x = 720,537,708,045.72/968,699.08
  6. Step 6: Final answer
    x = 743,819.96

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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.