Home / 717,504.80-1,075,518.66-318,333.56

Finding the Fourth Proportional to 717,504.80, 1,075,518.66 and 318,333.56

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Solution

The fourth proportional to 717,504.80, 1,075,518.66 and 318,333.56 is: 477,172.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,504.80 : 1,075,518.66 = 318,333.56 : x
  2. Step 2: Convert to fraction form
    717,504.80/1,075,518.66 = 318,333.56/x
  3. Step 3: Cross multiply
    717,504.80x = 1,075,518.66 × 318,333.56
  4. Step 4: Simplify right side
    717,504.80x = 342,373,683,884.23
  5. Step 5: Solve for x
    x = 342,373,683,884.23/717,504.80
  6. Step 6: Final answer
    x = 477,172.67

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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.