Home / 493,258.16-680,689.08-275,464.53

Finding the Fourth Proportional to 493,258.16, 680,689.08 and 275,464.53

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Solution

The fourth proportional to 493,258.16, 680,689.08 and 275,464.53 is: 380,137.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,258.16 : 680,689.08 = 275,464.53 : x
  2. Step 2: Convert to fraction form
    493,258.16/680,689.08 = 275,464.53/x
  3. Step 3: Cross multiply
    493,258.16x = 680,689.08 × 275,464.53
  4. Step 4: Simplify right side
    493,258.16x = 187,505,697,498.33
  5. Step 5: Solve for x
    x = 187,505,697,498.33/493,258.16
  6. Step 6: Final answer
    x = 380,137.05

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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.