Home / 434,539.60-651,809.40-329,563.60

Finding the Fourth Proportional to 434,539.60, 651,809.40 and 329,563.60

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Solution

The fourth proportional to 434,539.60, 651,809.40 and 329,563.60 is: 494,345.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,539.60 : 651,809.40 = 329,563.60 : x
  2. Step 2: Convert to fraction form
    434,539.60/651,809.40 = 329,563.60/x
  3. Step 3: Cross multiply
    434,539.60x = 651,809.40 × 329,563.60
  4. Step 4: Simplify right side
    434,539.60x = 214,812,652,377.84
  5. Step 5: Solve for x
    x = 214,812,652,377.84/434,539.60
  6. Step 6: Final answer
    x = 494,345.40

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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.