Home / 789,875.36-1,090,086.48-450,352.16

Finding the Fourth Proportional to 789,875.36, 1,090,086.48 and 450,352.16

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Solution

The fourth proportional to 789,875.36, 1,090,086.48 and 450,352.16 is: 621,519.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,875.36 : 1,090,086.48 = 450,352.16 : x
  2. Step 2: Convert to fraction form
    789,875.36/1,090,086.48 = 450,352.16/x
  3. Step 3: Cross multiply
    789,875.36x = 1,090,086.48 × 450,352.16
  4. Step 4: Simplify right side
    789,875.36x = 490,922,800,854.80
  5. Step 5: Solve for x
    x = 490,922,800,854.80/789,875.36
  6. Step 6: Final answer
    x = 621,519.33

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Double scale
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1.5x scale

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.