Home / 525,756.87-788,561.19-170,775.18

Finding the Fourth Proportional to 525,756.87, 788,561.19 and 170,775.18

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Solution

The fourth proportional to 525,756.87, 788,561.19 and 170,775.18 is: 256,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,756.87 : 788,561.19 = 170,775.18 : x
  2. Step 2: Convert to fraction form
    525,756.87/788,561.19 = 170,775.18/x
  3. Step 3: Cross multiply
    525,756.87x = 788,561.19 × 170,775.18
  4. Step 4: Simplify right side
    525,756.87x = 134,666,679,163.26
  5. Step 5: Solve for x
    x = 134,666,679,163.26/525,756.87
  6. Step 6: Final answer
    x = 256,138.70

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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.