Home / 717,013.97-1,075,705.51-211,554.53

Finding the Fourth Proportional to 717,013.97, 1,075,705.51 and 211,554.53

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Solution

The fourth proportional to 717,013.97, 1,075,705.51 and 211,554.53 is: 317,386.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,013.97 : 1,075,705.51 = 211,554.53 : x
  2. Step 2: Convert to fraction form
    717,013.97/1,075,705.51 = 211,554.53/x
  3. Step 3: Cross multiply
    717,013.97x = 1,075,705.51 × 211,554.53
  4. Step 4: Simplify right side
    717,013.97x = 227,570,373,586.46
  5. Step 5: Solve for x
    x = 227,570,373,586.46/717,013.97
  6. Step 6: Final answer
    x = 317,386.25

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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.