Home / 727,595.73-1,091,127.51-278,094.33

Finding the Fourth Proportional to 727,595.73, 1,091,127.51 and 278,094.33

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Solution

The fourth proportional to 727,595.73, 1,091,127.51 and 278,094.33 is: 417,039.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,595.73 : 1,091,127.51 = 278,094.33 : x
  2. Step 2: Convert to fraction form
    727,595.73/1,091,127.51 = 278,094.33/x
  3. Step 3: Cross multiply
    727,595.73x = 1,091,127.51 × 278,094.33
  4. Step 4: Simplify right side
    727,595.73x = 303,436,373,838.02
  5. Step 5: Solve for x
    x = 303,436,373,838.02/727,595.73
  6. Step 6: Final answer
    x = 417,039.79

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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.