Home / 714,554.54-1,071,016.44-287,817.22

Finding the Fourth Proportional to 714,554.54, 1,071,016.44 and 287,817.22

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Solution

The fourth proportional to 714,554.54, 1,071,016.44 and 287,817.22 is: 431,397.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,554.54 : 1,071,016.44 = 287,817.22 : x
  2. Step 2: Convert to fraction form
    714,554.54/1,071,016.44 = 287,817.22/x
  3. Step 3: Cross multiply
    714,554.54x = 1,071,016.44 × 287,817.22
  4. Step 4: Simplify right side
    714,554.54x = 308,256,974,335.10
  5. Step 5: Solve for x
    x = 308,256,974,335.10/714,554.54
  6. Step 6: Final answer
    x = 431,397.41

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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.