Home / 434,784.60-652,176.90-329,808.60

Finding the Fourth Proportional to 434,784.60, 652,176.90 and 329,808.60

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Solution

The fourth proportional to 434,784.60, 652,176.90 and 329,808.60 is: 494,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,784.60 : 652,176.90 = 329,808.60 : x
  2. Step 2: Convert to fraction form
    434,784.60/652,176.90 = 329,808.60/x
  3. Step 3: Cross multiply
    434,784.60x = 652,176.90 × 329,808.60
  4. Step 4: Simplify right side
    434,784.60x = 215,093,550,341.34
  5. Step 5: Solve for x
    x = 215,093,550,341.34/434,784.60
  6. Step 6: Final answer
    x = 494,712.90

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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.