Home / 717,119-1,075,684.64-204,782.84

Finding the Fourth Proportional to 717,119, 1,075,684.64 and 204,782.84

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Solution

The fourth proportional to 717,119, 1,075,684.64 and 204,782.84 is: 307,176.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,119 : 1,075,684.64 = 204,782.84 : x
  2. Step 2: Convert to fraction form
    717,119/1,075,684.64 = 204,782.84/x
  3. Step 3: Cross multiply
    717,119x = 1,075,684.64 × 204,782.84
  4. Step 4: Simplify right side
    717,119x = 220,281,755,523.58
  5. Step 5: Solve for x
    x = 220,281,755,523.58/717,119
  6. Step 6: Final answer
    x = 307,176.01

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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.