Home / 489,834.79-734,838.29-223,622.22

Finding the Fourth Proportional to 489,834.79, 734,838.29 and 223,622.22

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Solution

The fourth proportional to 489,834.79, 734,838.29 and 223,622.22 is: 335,472.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,834.79 : 734,838.29 = 223,622.22 : x
  2. Step 2: Convert to fraction form
    489,834.79/734,838.29 = 223,622.22/x
  3. Step 3: Cross multiply
    489,834.79x = 734,838.29 × 223,622.22
  4. Step 4: Simplify right side
    489,834.79x = 164,326,169,750.80
  5. Step 5: Solve for x
    x = 164,326,169,750.80/489,834.79
  6. Step 6: Final answer
    x = 335,472.64

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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.