Home / 778,010.73-1,166,974.77-238,266.84

Finding the Fourth Proportional to 778,010.73, 1,166,974.77 and 238,266.84

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Solution

The fourth proportional to 778,010.73, 1,166,974.77 and 238,266.84 is: 357,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,010.73 : 1,166,974.77 = 238,266.84 : x
  2. Step 2: Convert to fraction form
    778,010.73/1,166,974.77 = 238,266.84/x
  3. Step 3: Cross multiply
    778,010.73x = 1,166,974.77 × 238,266.84
  4. Step 4: Simplify right side
    778,010.73x = 278,051,390,807.63
  5. Step 5: Solve for x
    x = 278,051,390,807.63/778,010.73
  6. Step 6: Final answer
    x = 357,387.60

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Double scale
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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.