Home / 472,724.82-652,364.43-257,865.84

Finding the Fourth Proportional to 472,724.82, 652,364.43 and 257,865.84

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Solution

The fourth proportional to 472,724.82, 652,364.43 and 257,865.84 is: 355,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,724.82 : 652,364.43 = 257,865.84 : x
  2. Step 2: Convert to fraction form
    472,724.82/652,364.43 = 257,865.84/x
  3. Step 3: Cross multiply
    472,724.82x = 652,364.43 × 257,865.84
  4. Step 4: Simplify right side
    472,724.82x = 168,222,501,728.07
  5. Step 5: Solve for x
    x = 168,222,501,728.07/472,724.82
  6. Step 6: Final answer
    x = 355,857.14

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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.