Home / 525,431.41-788,257.89-170,417.81

Finding the Fourth Proportional to 525,431.41, 788,257.89 and 170,417.81

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Solution

The fourth proportional to 525,431.41, 788,257.89 and 170,417.81 is: 255,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,431.41 : 788,257.89 = 170,417.81 : x
  2. Step 2: Convert to fraction form
    525,431.41/788,257.89 = 170,417.81/x
  3. Step 3: Cross multiply
    525,431.41x = 788,257.89 × 170,417.81
  4. Step 4: Simplify right side
    525,431.41x = 134,333,185,299.67
  5. Step 5: Solve for x
    x = 134,333,185,299.67/525,431.41
  6. Step 6: Final answer
    x = 255,662.65

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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.