Home / 979,792.86-1,469,781.74-380,799.89

Finding the Fourth Proportional to 979,792.86, 1,469,781.74 and 380,799.89

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Solution

The fourth proportional to 979,792.86, 1,469,781.74 and 380,799.89 is: 571,235.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,792.86 : 1,469,781.74 = 380,799.89 : x
  2. Step 2: Convert to fraction form
    979,792.86/1,469,781.74 = 380,799.89/x
  3. Step 3: Cross multiply
    979,792.86x = 1,469,781.74 × 380,799.89
  4. Step 4: Simplify right side
    979,792.86x = 559,692,724,916.01
  5. Step 5: Solve for x
    x = 559,692,724,916.01/979,792.86
  6. Step 6: Final answer
    x = 571,235.77

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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.