Home / 859,984.05-1,186,792.20-472,815.84

Finding the Fourth Proportional to 859,984.05, 1,186,792.20 and 472,815.84

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Solution

The fourth proportional to 859,984.05, 1,186,792.20 and 472,815.84 is: 652,493.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,984.05 : 1,186,792.20 = 472,815.84 : x
  2. Step 2: Convert to fraction form
    859,984.05/1,186,792.20 = 472,815.84/x
  3. Step 3: Cross multiply
    859,984.05x = 1,186,792.20 × 472,815.84
  4. Step 4: Simplify right side
    859,984.05x = 561,134,150,948.45
  5. Step 5: Solve for x
    x = 561,134,150,948.45/859,984.05
  6. Step 6: Final answer
    x = 652,493.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.