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Finding the Fourth Proportional to 434,759.60, 652,139.40 and 329,783.60

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Solution

The fourth proportional to 434,759.60, 652,139.40 and 329,783.60 is: 494,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,759.60 : 652,139.40 = 329,783.60 : x
  2. Step 2: Convert to fraction form
    434,759.60/652,139.40 = 329,783.60/x
  3. Step 3: Cross multiply
    434,759.60x = 652,139.40 × 329,783.60
  4. Step 4: Simplify right side
    434,759.60x = 215,064,879,033.84
  5. Step 5: Solve for x
    x = 215,064,879,033.84/434,759.60
  6. Step 6: Final answer
    x = 494,675.40

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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.