Home / 926,806.20-1,388,459.70-475,992.60

Finding the Fourth Proportional to 926,806.20, 1,388,459.70 and 475,992.60

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Solution

The fourth proportional to 926,806.20, 1,388,459.70 and 475,992.60 is: 713,090.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,806.20 : 1,388,459.70 = 475,992.60 : x
  2. Step 2: Convert to fraction form
    926,806.20/1,388,459.70 = 475,992.60/x
  3. Step 3: Cross multiply
    926,806.20x = 1,388,459.70 × 475,992.60
  4. Step 4: Simplify right side
    926,806.20x = 660,896,542,598.22
  5. Step 5: Solve for x
    x = 660,896,542,598.22/926,806.20
  6. Step 6: Final answer
    x = 713,090.33

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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.