Home / 914,083.67-1,371,123.83-274,386.78

Finding the Fourth Proportional to 914,083.67, 1,371,123.83 and 274,386.78

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Solution

The fourth proportional to 914,083.67, 1,371,123.83 and 274,386.78 is: 411,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,083.67 : 1,371,123.83 = 274,386.78 : x
  2. Step 2: Convert to fraction form
    914,083.67/1,371,123.83 = 274,386.78/x
  3. Step 3: Cross multiply
    914,083.67x = 1,371,123.83 × 274,386.78
  4. Step 4: Simplify right side
    914,083.67x = 376,218,251,323.03
  5. Step 5: Solve for x
    x = 376,218,251,323.03/914,083.67
  6. Step 6: Final answer
    x = 411,579.67

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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.