Home / 861,511.63-1,292,460.18-262,519.67

Finding the Fourth Proportional to 861,511.63, 1,292,460.18 and 262,519.67

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Solution

The fourth proportional to 861,511.63, 1,292,460.18 and 262,519.67 is: 393,838.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,511.63 : 1,292,460.18 = 262,519.67 : x
  2. Step 2: Convert to fraction form
    861,511.63/1,292,460.18 = 262,519.67/x
  3. Step 3: Cross multiply
    861,511.63x = 1,292,460.18 × 262,519.67
  4. Step 4: Simplify right side
    861,511.63x = 339,296,219,941.74
  5. Step 5: Solve for x
    x = 339,296,219,941.74/861,511.63
  6. Step 6: Final answer
    x = 393,838.24

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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.