Home / 489,926.23-734,603.32-190,056.42

Finding the Fourth Proportional to 489,926.23, 734,603.32 and 190,056.42

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Solution

The fourth proportional to 489,926.23, 734,603.32 and 190,056.42 is: 284,973.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,926.23 : 734,603.32 = 190,056.42 : x
  2. Step 2: Convert to fraction form
    489,926.23/734,603.32 = 190,056.42/x
  3. Step 3: Cross multiply
    489,926.23x = 734,603.32 × 190,056.42
  4. Step 4: Simplify right side
    489,926.23x = 139,616,077,119.31
  5. Step 5: Solve for x
    x = 139,616,077,119.31/489,926.23
  6. Step 6: Final answer
    x = 284,973.67

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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.