Home / 489,835.60-734,839.49-223,623.03

Finding the Fourth Proportional to 489,835.60, 734,839.49 and 223,623.03

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Solution

The fourth proportional to 489,835.60, 734,839.49 and 223,623.03 is: 335,473.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,835.60 : 734,839.49 = 223,623.03 : x
  2. Step 2: Convert to fraction form
    489,835.60/734,839.49 = 223,623.03/x
  3. Step 3: Cross multiply
    489,835.60x = 734,839.49 × 223,623.03
  4. Step 4: Simplify right side
    489,835.60x = 164,327,032,498.69
  5. Step 5: Solve for x
    x = 164,327,032,498.69/489,835.60
  6. Step 6: Final answer
    x = 335,473.84

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1.5x scale

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.