Home / 628,332.80-942,187.76-223,464.32

Finding the Fourth Proportional to 628,332.80, 942,187.76 and 223,464.32

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Solution

The fourth proportional to 628,332.80, 942,187.76 and 223,464.32 is: 335,085.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,332.80 : 942,187.76 = 223,464.32 : x
  2. Step 2: Convert to fraction form
    628,332.80/942,187.76 = 223,464.32/x
  3. Step 3: Cross multiply
    628,332.80x = 942,187.76 × 223,464.32
  4. Step 4: Simplify right side
    628,332.80x = 210,545,347,100.72
  5. Step 5: Solve for x
    x = 210,545,347,100.72/628,332.80
  6. Step 6: Final answer
    x = 335,085.72

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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.