Home / 287,588.16-430,716.96-277,623.36

Finding the Fourth Proportional to 287,588.16, 430,716.96 and 277,623.36

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Solution

The fourth proportional to 287,588.16, 430,716.96 and 277,623.36 is: 415,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,588.16 : 430,716.96 = 277,623.36 : x
  2. Step 2: Convert to fraction form
    287,588.16/430,716.96 = 277,623.36/x
  3. Step 3: Cross multiply
    287,588.16x = 430,716.96 × 277,623.36
  4. Step 4: Simplify right side
    287,588.16x = 119,577,089,644.19
  5. Step 5: Solve for x
    x = 119,577,089,644.19/287,588.16
  6. Step 6: Final answer
    x = 415,792.81

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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.