Home / 434,734.80-652,102.20-285,435.60

Finding the Fourth Proportional to 434,734.80, 652,102.20 and 285,435.60

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Solution

The fourth proportional to 434,734.80, 652,102.20 and 285,435.60 is: 428,153.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,734.80 : 652,102.20 = 285,435.60 : x
  2. Step 2: Convert to fraction form
    434,734.80/652,102.20 = 285,435.60/x
  3. Step 3: Cross multiply
    434,734.80x = 652,102.20 × 285,435.60
  4. Step 4: Simplify right side
    434,734.80x = 186,133,182,718.32
  5. Step 5: Solve for x
    x = 186,133,182,718.32/434,734.80
  6. Step 6: Final answer
    x = 428,153.40

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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.