Home / 628,211.99-939,940.13-372,182.04

Finding the Fourth Proportional to 628,211.99, 939,940.13 and 372,182.04

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Solution

The fourth proportional to 628,211.99, 939,940.13 and 372,182.04 is: 556,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,211.99 : 939,940.13 = 372,182.04 : x
  2. Step 2: Convert to fraction form
    628,211.99/939,940.13 = 372,182.04/x
  3. Step 3: Cross multiply
    628,211.99x = 939,940.13 × 372,182.04
  4. Step 4: Simplify right side
    628,211.99x = 349,828,835,991.72
  5. Step 5: Solve for x
    x = 349,828,835,991.72/628,211.99
  6. Step 6: Final answer
    x = 556,864.31

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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.