Home / 1,240.04-1,860.06-470.36

Finding the Fourth Proportional to 1,240.04, 1,860.06 and 470.36

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Solution

The fourth proportional to 1,240.04, 1,860.06 and 470.36 is: 705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240.04 : 1,860.06 = 470.36 : x
  2. Step 2: Convert to fraction form
    1,240.04/1,860.06 = 470.36/x
  3. Step 3: Cross multiply
    1,240.04x = 1,860.06 × 470.36
  4. Step 4: Simplify right side
    1,240.04x = 874,897.82
  5. Step 5: Solve for x
    x = 874,897.82/1,240.04
  6. Step 6: Final answer
    x = 705.54

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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.