Home / 489,549.09-734,614.78-264,905.01

Finding the Fourth Proportional to 489,549.09, 734,614.78 and 264,905.01

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Solution

The fourth proportional to 489,549.09, 734,614.78 and 264,905.01 is: 397,515.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,549.09 : 734,614.78 = 264,905.01 : x
  2. Step 2: Convert to fraction form
    489,549.09/734,614.78 = 264,905.01/x
  3. Step 3: Cross multiply
    489,549.09x = 734,614.78 × 264,905.01
  4. Step 4: Simplify right side
    489,549.09x = 194,603,133,782.90
  5. Step 5: Solve for x
    x = 194,603,133,782.90/489,549.09
  6. Step 6: Final answer
    x = 397,515.05

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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.