Home / 682,918.40-1,024,960.80-304,421.60

Finding the Fourth Proportional to 682,918.40, 1,024,960.80 and 304,421.60

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Solution

The fourth proportional to 682,918.40, 1,024,960.80 and 304,421.60 is: 456,892.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,918.40 : 1,024,960.80 = 304,421.60 : x
  2. Step 2: Convert to fraction form
    682,918.40/1,024,960.80 = 304,421.60/x
  3. Step 3: Cross multiply
    682,918.40x = 1,024,960.80 × 304,421.60
  4. Step 4: Simplify right side
    682,918.40x = 312,020,206,673.28
  5. Step 5: Solve for x
    x = 312,020,206,673.28/682,918.40
  6. Step 6: Final answer
    x = 456,892.37

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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.