Home / 778,318.60-1,167,477.90-304,846.60

Finding the Fourth Proportional to 778,318.60, 1,167,477.90 and 304,846.60

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Solution

The fourth proportional to 778,318.60, 1,167,477.90 and 304,846.60 is: 457,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,318.60 : 1,167,477.90 = 304,846.60 : x
  2. Step 2: Convert to fraction form
    778,318.60/1,167,477.90 = 304,846.60/x
  3. Step 3: Cross multiply
    778,318.60x = 1,167,477.90 × 304,846.60
  4. Step 4: Simplify right side
    778,318.60x = 355,901,668,390.14
  5. Step 5: Solve for x
    x = 355,901,668,390.14/778,318.60
  6. Step 6: Final answer
    x = 457,269.90

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Similar ratio
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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.