Home / 540,678.36-746,071.02-298,928.28

Finding the Fourth Proportional to 540,678.36, 746,071.02 and 298,928.28

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Solution

The fourth proportional to 540,678.36, 746,071.02 and 298,928.28 is: 412,485.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,678.36 : 746,071.02 = 298,928.28 : x
  2. Step 2: Convert to fraction form
    540,678.36/746,071.02 = 298,928.28/x
  3. Step 3: Cross multiply
    540,678.36x = 746,071.02 × 298,928.28
  4. Step 4: Simplify right side
    540,678.36x = 223,021,726,766.45
  5. Step 5: Solve for x
    x = 223,021,726,766.45/540,678.36
  6. Step 6: Final answer
    x = 412,485.02

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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.