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Finding the Fourth Proportional to 492,075.10, 738,112.65 and 314,782.30

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Solution

The fourth proportional to 492,075.10, 738,112.65 and 314,782.30 is: 472,173.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,075.10 : 738,112.65 = 314,782.30 : x
  2. Step 2: Convert to fraction form
    492,075.10/738,112.65 = 314,782.30/x
  3. Step 3: Cross multiply
    492,075.10x = 738,112.65 × 314,782.30
  4. Step 4: Simplify right side
    492,075.10x = 232,344,797,626.10
  5. Step 5: Solve for x
    x = 232,344,797,626.10/492,075.10
  6. Step 6: Final answer
    x = 472,173.45

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Similar ratio
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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.