Home / 822,249.48-1,232,812.93-438,055.77

Finding the Fourth Proportional to 822,249.48, 1,232,812.93 and 438,055.77

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Solution

The fourth proportional to 822,249.48, 1,232,812.93 and 438,055.77 is: 656,784.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,249.48 : 1,232,812.93 = 438,055.77 : x
  2. Step 2: Convert to fraction form
    822,249.48/1,232,812.93 = 438,055.77/x
  3. Step 3: Cross multiply
    822,249.48x = 1,232,812.93 × 438,055.77
  4. Step 4: Simplify right side
    822,249.48x = 540,040,817,317.11
  5. Step 5: Solve for x
    x = 540,040,817,317.11/822,249.48
  6. Step 6: Final answer
    x = 656,784.63

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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.