Home / 979,828.90-1,469,171.32-380,089.26

Finding the Fourth Proportional to 979,828.90, 1,469,171.32 and 380,089.26

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Solution

The fourth proportional to 979,828.90, 1,469,171.32 and 380,089.26 is: 569,911.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,828.90 : 1,469,171.32 = 380,089.26 : x
  2. Step 2: Convert to fraction form
    979,828.90/1,469,171.32 = 380,089.26/x
  3. Step 3: Cross multiply
    979,828.90x = 1,469,171.32 × 380,089.26
  4. Step 4: Simplify right side
    979,828.90x = 558,416,238,881.80
  5. Step 5: Solve for x
    x = 558,416,238,881.80/979,828.90
  6. Step 6: Final answer
    x = 569,911.99

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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.