Home / 778,666.96-1,167,993.55-246,188.35

Finding the Fourth Proportional to 778,666.96, 1,167,993.55 and 246,188.35

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Solution

The fourth proportional to 778,666.96, 1,167,993.55 and 246,188.35 is: 369,280.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,666.96 : 1,167,993.55 = 246,188.35 : x
  2. Step 2: Convert to fraction form
    778,666.96/1,167,993.55 = 246,188.35/x
  3. Step 3: Cross multiply
    778,666.96x = 1,167,993.55 × 246,188.35
  4. Step 4: Simplify right side
    778,666.96x = 287,546,404,885.14
  5. Step 5: Solve for x
    x = 287,546,404,885.14/778,666.96
  6. Step 6: Final answer
    x = 369,280.35

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Double scale
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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.