Home / 558,361.23-770,675.36-316,785.21

Finding the Fourth Proportional to 558,361.23, 770,675.36 and 316,785.21

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Solution

The fourth proportional to 558,361.23, 770,675.36 and 316,785.21 is: 437,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,361.23 : 770,675.36 = 316,785.21 : x
  2. Step 2: Convert to fraction form
    558,361.23/770,675.36 = 316,785.21/x
  3. Step 3: Cross multiply
    558,361.23x = 770,675.36 × 316,785.21
  4. Step 4: Simplify right side
    558,361.23x = 244,138,554,175.50
  5. Step 5: Solve for x
    x = 244,138,554,175.50/558,361.23
  6. Step 6: Final answer
    x = 437,241.24

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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.