Home / 843,656.13-1,164,242.39-456,470.37

Finding the Fourth Proportional to 843,656.13, 1,164,242.39 and 456,470.37

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Solution

The fourth proportional to 843,656.13, 1,164,242.39 and 456,470.37 is: 629,927.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,656.13 : 1,164,242.39 = 456,470.37 : x
  2. Step 2: Convert to fraction form
    843,656.13/1,164,242.39 = 456,470.37/x
  3. Step 3: Cross multiply
    843,656.13x = 1,164,242.39 × 456,470.37
  4. Step 4: Simplify right side
    843,656.13x = 531,442,152,250.63
  5. Step 5: Solve for x
    x = 531,442,152,250.63/843,656.13
  6. Step 6: Final answer
    x = 629,927.45

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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.