Home / 869,450.80-1,304,176.20-603,730.30

Finding the Fourth Proportional to 869,450.80, 1,304,176.20 and 603,730.30

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Solution

The fourth proportional to 869,450.80, 1,304,176.20 and 603,730.30 is: 905,595.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,450.80 : 1,304,176.20 = 603,730.30 : x
  2. Step 2: Convert to fraction form
    869,450.80/1,304,176.20 = 603,730.30/x
  3. Step 3: Cross multiply
    869,450.80x = 1,304,176.20 × 603,730.30
  4. Step 4: Simplify right side
    869,450.80x = 787,370,688,478.86
  5. Step 5: Solve for x
    x = 787,370,688,478.86/869,450.80
  6. Step 6: Final answer
    x = 905,595.45

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Similar ratio
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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.