Home / 947,895.34-1,421,845.71-274,031.50

Finding the Fourth Proportional to 947,895.34, 1,421,845.71 and 274,031.50

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Solution

The fourth proportional to 947,895.34, 1,421,845.71 and 274,031.50 is: 411,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,895.34 : 1,421,845.71 = 274,031.50 : x
  2. Step 2: Convert to fraction form
    947,895.34/1,421,845.71 = 274,031.50/x
  3. Step 3: Cross multiply
    947,895.34x = 1,421,845.71 × 274,031.50
  4. Step 4: Simplify right side
    947,895.34x = 389,630,512,679.87
  5. Step 5: Solve for x
    x = 389,630,512,679.87/947,895.34
  6. Step 6: Final answer
    x = 411,048.03

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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.