Home / 753,812.88-1,040,283.72-427,102.08

Finding the Fourth Proportional to 753,812.88, 1,040,283.72 and 427,102.08

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Solution

The fourth proportional to 753,812.88, 1,040,283.72 and 427,102.08 is: 589,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,812.88 : 1,040,283.72 = 427,102.08 : x
  2. Step 2: Convert to fraction form
    753,812.88/1,040,283.72 = 427,102.08/x
  3. Step 3: Cross multiply
    753,812.88x = 1,040,283.72 × 427,102.08
  4. Step 4: Simplify right side
    753,812.88x = 444,307,340,602.14
  5. Step 5: Solve for x
    x = 444,307,340,602.14/753,812.88
  6. Step 6: Final answer
    x = 589,413.30

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1.5x scale

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.