Home / 971,516.94-1,340,235.81-631,861.26

Finding the Fourth Proportional to 971,516.94, 1,340,235.81 and 631,861.26

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Solution

The fourth proportional to 971,516.94, 1,340,235.81 and 631,861.26 is: 871,670.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,516.94 : 1,340,235.81 = 631,861.26 : x
  2. Step 2: Convert to fraction form
    971,516.94/1,340,235.81 = 631,861.26/x
  3. Step 3: Cross multiply
    971,516.94x = 1,340,235.81 × 631,861.26
  4. Step 4: Simplify right side
    971,516.94x = 846,843,087,603.72
  5. Step 5: Solve for x
    x = 846,843,087,603.72/971,516.94
  6. Step 6: Final answer
    x = 871,670.94

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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.