Home / 558,683.18-770,929.43-313,611.83

Finding the Fourth Proportional to 558,683.18, 770,929.43 and 313,611.83

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Solution

The fourth proportional to 558,683.18, 770,929.43 and 313,611.83 is: 432,754.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,683.18 : 770,929.43 = 313,611.83 : x
  2. Step 2: Convert to fraction form
    558,683.18/770,929.43 = 313,611.83/x
  3. Step 3: Cross multiply
    558,683.18x = 770,929.43 × 313,611.83
  4. Step 4: Simplify right side
    558,683.18x = 241,772,583,920.45
  5. Step 5: Solve for x
    x = 241,772,583,920.45/558,683.18
  6. Step 6: Final answer
    x = 432,754.37

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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.