Home / 1,075.04-1,483.56-609.30

Finding the Fourth Proportional to 1,075.04, 1,483.56 and 609.30

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Solution

The fourth proportional to 1,075.04, 1,483.56 and 609.30 is: 840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075.04 : 1,483.56 = 609.30 : x
  2. Step 2: Convert to fraction form
    1,075.04/1,483.56 = 609.30/x
  3. Step 3: Cross multiply
    1,075.04x = 1,483.56 × 609.30
  4. Step 4: Simplify right side
    1,075.04x = 903,933.11
  5. Step 5: Solve for x
    x = 903,933.11/1,075.04
  6. Step 6: Final answer
    x = 840.84

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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.