Home / 880,696.13-1,321,569.06-319,774.37

Finding the Fourth Proportional to 880,696.13, 1,321,569.06 and 319,774.37

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Solution

The fourth proportional to 880,696.13, 1,321,569.06 and 319,774.37 is: 479,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,696.13 : 1,321,569.06 = 319,774.37 : x
  2. Step 2: Convert to fraction form
    880,696.13/1,321,569.06 = 319,774.37/x
  3. Step 3: Cross multiply
    880,696.13x = 1,321,569.06 × 319,774.37
  4. Step 4: Simplify right side
    880,696.13x = 422,603,913,572.99
  5. Step 5: Solve for x
    x = 422,603,913,572.99/880,696.13
  6. Step 6: Final answer
    x = 479,852.13

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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.