Home / 926,800.20-1,388,450.70-475,986.60

Finding the Fourth Proportional to 926,800.20, 1,388,450.70 and 475,986.60

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Solution

The fourth proportional to 926,800.20, 1,388,450.70 and 475,986.60 is: 713,081.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,800.20 : 1,388,450.70 = 475,986.60 : x
  2. Step 2: Convert to fraction form
    926,800.20/1,388,450.70 = 475,986.60/x
  3. Step 3: Cross multiply
    926,800.20x = 1,388,450.70 × 475,986.60
  4. Step 4: Simplify right side
    926,800.20x = 660,883,927,960.62
  5. Step 5: Solve for x
    x = 660,883,927,960.62/926,800.20
  6. Step 6: Final answer
    x = 713,081.34

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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.