Home / 525,261.96-788,139-258,877.26

Finding the Fourth Proportional to 525,261.96, 788,139 and 258,877.26

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Solution

The fourth proportional to 525,261.96, 788,139 and 258,877.26 is: 388,437.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,261.96 : 788,139 = 258,877.26 : x
  2. Step 2: Convert to fraction form
    525,261.96/788,139 = 258,877.26/x
  3. Step 3: Cross multiply
    525,261.96x = 788,139 × 258,877.26
  4. Step 4: Simplify right side
    525,261.96x = 204,031,264,819.14
  5. Step 5: Solve for x
    x = 204,031,264,819.14/525,261.96
  6. Step 6: Final answer
    x = 388,437.16

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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.