Home / 717,237.62-1,075,049.05-312,770.19

Finding the Fourth Proportional to 717,237.62, 1,075,049.05 and 312,770.19

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Solution

The fourth proportional to 717,237.62, 1,075,049.05 and 312,770.19 is: 468,803.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,237.62 : 1,075,049.05 = 312,770.19 : x
  2. Step 2: Convert to fraction form
    717,237.62/1,075,049.05 = 312,770.19/x
  3. Step 3: Cross multiply
    717,237.62x = 1,075,049.05 × 312,770.19
  4. Step 4: Simplify right side
    717,237.62x = 336,243,295,627.82
  5. Step 5: Solve for x
    x = 336,243,295,627.82/717,237.62
  6. Step 6: Final answer
    x = 468,803.21

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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.