Home / 501,667.56-692,277.03-286,831.26

Finding the Fourth Proportional to 501,667.56, 692,277.03 and 286,831.26

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Solution

The fourth proportional to 501,667.56, 692,277.03 and 286,831.26 is: 395,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,667.56 : 692,277.03 = 286,831.26 : x
  2. Step 2: Convert to fraction form
    501,667.56/692,277.03 = 286,831.26/x
  3. Step 3: Cross multiply
    501,667.56x = 692,277.03 × 286,831.26
  4. Step 4: Simplify right side
    501,667.56x = 198,566,692,783.96
  5. Step 5: Solve for x
    x = 198,566,692,783.96/501,667.56
  6. Step 6: Final answer
    x = 395,813.30

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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.