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Finding the Fourth Proportional to 525,668.30, 725,422.52 and 283,950.86

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Solution

The fourth proportional to 525,668.30, 725,422.52 and 283,950.86 is: 391,852.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,668.30 : 725,422.52 = 283,950.86 : x
  2. Step 2: Convert to fraction form
    525,668.30/725,422.52 = 283,950.86/x
  3. Step 3: Cross multiply
    525,668.30x = 725,422.52 × 283,950.86
  4. Step 4: Simplify right side
    525,668.30x = 205,984,348,417.37
  5. Step 5: Solve for x
    x = 205,984,348,417.37/525,668.30
  6. Step 6: Final answer
    x = 391,852.33

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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.