Home / 705,022.50-972,932.27-403,216.50

Finding the Fourth Proportional to 705,022.50, 972,932.27 and 403,216.50

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Solution

The fourth proportional to 705,022.50, 972,932.27 and 403,216.50 is: 556,439.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,022.50 : 972,932.27 = 403,216.50 : x
  2. Step 2: Convert to fraction form
    705,022.50/972,932.27 = 403,216.50/x
  3. Step 3: Cross multiply
    705,022.50x = 972,932.27 × 403,216.50
  4. Step 4: Simplify right side
    705,022.50x = 392,302,342,630.37
  5. Step 5: Solve for x
    x = 392,302,342,630.37/705,022.50
  6. Step 6: Final answer
    x = 556,439.46

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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.