Home / 1,075.28-1,483.92-609.60

Finding the Fourth Proportional to 1,075.28, 1,483.92 and 609.60

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Solution

The fourth proportional to 1,075.28, 1,483.92 and 609.60 is: 841.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.28 : 1,483.92 = 609.60 : x
  2. Step 2: Convert to fraction form
    1,075.28/1,483.92 = 609.60/x
  3. Step 3: Cross multiply
    1,075.28x = 1,483.92 × 609.60
  4. Step 4: Simplify right side
    1,075.28x = 904,597.63
  5. Step 5: Solve for x
    x = 904,597.63/1,075.28
  6. Step 6: Final answer
    x = 841.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.