Home / 558,955.40-771,372.32-304,320.56

Finding the Fourth Proportional to 558,955.40, 771,372.32 and 304,320.56

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Solution

The fourth proportional to 558,955.40, 771,372.32 and 304,320.56 is: 419,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,955.40 : 771,372.32 = 304,320.56 : x
  2. Step 2: Convert to fraction form
    558,955.40/771,372.32 = 304,320.56/x
  3. Step 3: Cross multiply
    558,955.40x = 771,372.32 × 304,320.56
  4. Step 4: Simplify right side
    558,955.40x = 234,744,451,012.44
  5. Step 5: Solve for x
    x = 234,744,451,012.44/558,955.40
  6. Step 6: Final answer
    x = 419,969.92

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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.