Home / 460,770.45-636,255.99-288,977.55

Finding the Fourth Proportional to 460,770.45, 636,255.99 and 288,977.55

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Solution

The fourth proportional to 460,770.45, 636,255.99 and 288,977.55 is: 399,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,770.45 : 636,255.99 = 288,977.55 : x
  2. Step 2: Convert to fraction form
    460,770.45/636,255.99 = 288,977.55/x
  3. Step 3: Cross multiply
    460,770.45x = 636,255.99 × 288,977.55
  4. Step 4: Simplify right side
    460,770.45x = 183,863,697,163.02
  5. Step 5: Solve for x
    x = 183,863,697,163.02/460,770.45
  6. Step 6: Final answer
    x = 399,035.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.