Home / 856,814.03-1,182,396.02-469,650.95

Finding the Fourth Proportional to 856,814.03, 1,182,396.02 and 469,650.95

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Solution

The fourth proportional to 856,814.03, 1,182,396.02 and 469,650.95 is: 648,114.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,814.03 : 1,182,396.02 = 469,650.95 : x
  2. Step 2: Convert to fraction form
    856,814.03/1,182,396.02 = 469,650.95/x
  3. Step 3: Cross multiply
    856,814.03x = 1,182,396.02 × 469,650.95
  4. Step 4: Simplify right side
    856,814.03x = 555,313,405,808.98
  5. Step 5: Solve for x
    x = 555,313,405,808.98/856,814.03
  6. Step 6: Final answer
    x = 648,114.28

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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.