Home / 717,277.35-1,075,664.57-211,703.43

Finding the Fourth Proportional to 717,277.35, 1,075,664.57 and 211,703.43

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Solution

The fourth proportional to 717,277.35, 1,075,664.57 and 211,703.43 is: 317,480.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,277.35 : 1,075,664.57 = 211,703.43 : x
  2. Step 2: Convert to fraction form
    717,277.35/1,075,664.57 = 211,703.43/x
  3. Step 3: Cross multiply
    717,277.35x = 1,075,664.57 × 211,703.43
  4. Step 4: Simplify right side
    717,277.35x = 227,721,877,939.96
  5. Step 5: Solve for x
    x = 227,721,877,939.96/717,277.35
  6. Step 6: Final answer
    x = 317,480.93

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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.