Home / 699,494.80-1,049,501.40-279,072.40

Finding the Fourth Proportional to 699,494.80, 1,049,501.40 and 279,072.40

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Solution

The fourth proportional to 699,494.80, 1,049,501.40 and 279,072.40 is: 418,712.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,494.80 : 1,049,501.40 = 279,072.40 : x
  2. Step 2: Convert to fraction form
    699,494.80/1,049,501.40 = 279,072.40/x
  3. Step 3: Cross multiply
    699,494.80x = 1,049,501.40 × 279,072.40
  4. Step 4: Simplify right side
    699,494.80x = 292,886,874,501.36
  5. Step 5: Solve for x
    x = 292,886,874,501.36/699,494.80
  6. Step 6: Final answer
    x = 418,712.01

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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.