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Finding the Fourth Proportional to 489,233.60, 732,975.60 and 414,000.80

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Solution

The fourth proportional to 489,233.60, 732,975.60 and 414,000.80 is: 620,260.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,233.60 : 732,975.60 = 414,000.80 : x
  2. Step 2: Convert to fraction form
    489,233.60/732,975.60 = 414,000.80/x
  3. Step 3: Cross multiply
    489,233.60x = 732,975.60 × 414,000.80
  4. Step 4: Simplify right side
    489,233.60x = 303,452,484,780.48
  5. Step 5: Solve for x
    x = 303,452,484,780.48/489,233.60
  6. Step 6: Final answer
    x = 620,260.92

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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.