Home / 489,835.40-734,580.30-223,723.40

Finding the Fourth Proportional to 489,835.40, 734,580.30 and 223,723.40

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Solution

The fourth proportional to 489,835.40, 734,580.30 and 223,723.40 is: 335,506.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,835.40 : 734,580.30 = 223,723.40 : x
  2. Step 2: Convert to fraction form
    489,835.40/734,580.30 = 223,723.40/x
  3. Step 3: Cross multiply
    489,835.40x = 734,580.30 × 223,723.40
  4. Step 4: Simplify right side
    489,835.40x = 164,342,802,289.02
  5. Step 5: Solve for x
    x = 164,342,802,289.02/489,835.40
  6. Step 6: Final answer
    x = 335,506.18

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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.