Home / 855,647.82-1,180,808.04-468,456.84

Finding the Fourth Proportional to 855,647.82, 1,180,808.04 and 468,456.84

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Solution

The fourth proportional to 855,647.82, 1,180,808.04 and 468,456.84 is: 646,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,647.82 : 1,180,808.04 = 468,456.84 : x
  2. Step 2: Convert to fraction form
    855,647.82/1,180,808.04 = 468,456.84/x
  3. Step 3: Cross multiply
    855,647.82x = 1,180,808.04 × 468,456.84
  4. Step 4: Simplify right side
    855,647.82x = 553,157,603,064.99
  5. Step 5: Solve for x
    x = 553,157,603,064.99/855,647.82
  6. Step 6: Final answer
    x = 646,478.13

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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.