Home / 497,340.82-686,330.43-270,986.32

Finding the Fourth Proportional to 497,340.82, 686,330.43 and 270,986.32

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Solution

The fourth proportional to 497,340.82, 686,330.43 and 270,986.32 is: 373,961.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,340.82 : 686,330.43 = 270,986.32 : x
  2. Step 2: Convert to fraction form
    497,340.82/686,330.43 = 270,986.32/x
  3. Step 3: Cross multiply
    497,340.82x = 686,330.43 × 270,986.32
  4. Step 4: Simplify right side
    497,340.82x = 185,986,157,529.72
  5. Step 5: Solve for x
    x = 185,986,157,529.72/497,340.82
  6. Step 6: Final answer
    x = 373,961.18

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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.