Home / 776,630.10-1,164,252.60-303,205.35

Finding the Fourth Proportional to 776,630.10, 1,164,252.60 and 303,205.35

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Solution

The fourth proportional to 776,630.10, 1,164,252.60 and 303,205.35 is: 454,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,630.10 : 1,164,252.60 = 303,205.35 : x
  2. Step 2: Convert to fraction form
    776,630.10/1,164,252.60 = 303,205.35/x
  3. Step 3: Cross multiply
    776,630.10x = 1,164,252.60 × 303,205.35
  4. Step 4: Simplify right side
    776,630.10x = 353,007,617,071.41
  5. Step 5: Solve for x
    x = 353,007,617,071.41/776,630.10
  6. Step 6: Final answer
    x = 454,537.65

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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.