Home / 558,136.47-836,241.81-305,598.72

Finding the Fourth Proportional to 558,136.47, 836,241.81 and 305,598.72

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Solution

The fourth proportional to 558,136.47, 836,241.81 and 305,598.72 is: 457,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,136.47 : 836,241.81 = 305,598.72 : x
  2. Step 2: Convert to fraction form
    558,136.47/836,241.81 = 305,598.72/x
  3. Step 3: Cross multiply
    558,136.47x = 836,241.81 × 305,598.72
  4. Step 4: Simplify right side
    558,136.47x = 255,554,428,736.40
  5. Step 5: Solve for x
    x = 255,554,428,736.40/558,136.47
  6. Step 6: Final answer
    x = 457,870.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.