Home / 1,240.04-1,858.98-471.08

Finding the Fourth Proportional to 1,240.04, 1,858.98 and 471.08

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Solution

The fourth proportional to 1,240.04, 1,858.98 and 471.08 is: 706.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240.04 : 1,858.98 = 471.08 : x
  2. Step 2: Convert to fraction form
    1,240.04/1,858.98 = 471.08/x
  3. Step 3: Cross multiply
    1,240.04x = 1,858.98 × 471.08
  4. Step 4: Simplify right side
    1,240.04x = 875,728.30
  5. Step 5: Solve for x
    x = 875,728.30/1,240.04
  6. Step 6: Final answer
    x = 706.21

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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.