Home / 434,492.80-651,739.20-396,001.60

Finding the Fourth Proportional to 434,492.80, 651,739.20 and 396,001.60

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Solution

The fourth proportional to 434,492.80, 651,739.20 and 396,001.60 is: 594,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,492.80 : 651,739.20 = 396,001.60 : x
  2. Step 2: Convert to fraction form
    434,492.80/651,739.20 = 396,001.60/x
  3. Step 3: Cross multiply
    434,492.80x = 651,739.20 × 396,001.60
  4. Step 4: Simplify right side
    434,492.80x = 258,089,765,982.72
  5. Step 5: Solve for x
    x = 258,089,765,982.72/434,492.80
  6. Step 6: Final answer
    x = 594,002.40

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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.