Home / 785,431.50-1,083,895.47-427,735.50

Finding the Fourth Proportional to 785,431.50, 1,083,895.47 and 427,735.50

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Solution

The fourth proportional to 785,431.50, 1,083,895.47 and 427,735.50 is: 590,274.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,431.50 : 1,083,895.47 = 427,735.50 : x
  2. Step 2: Convert to fraction form
    785,431.50/1,083,895.47 = 427,735.50/x
  3. Step 3: Cross multiply
    785,431.50x = 1,083,895.47 × 427,735.50
  4. Step 4: Simplify right side
    785,431.50x = 463,620,570,808.19
  5. Step 5: Solve for x
    x = 463,620,570,808.19/785,431.50
  6. Step 6: Final answer
    x = 590,274.99

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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.