Home / 525,453.18-788,290.52-170,439.58

Finding the Fourth Proportional to 525,453.18, 788,290.52 and 170,439.58

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Solution

The fourth proportional to 525,453.18, 788,290.52 and 170,439.58 is: 255,695.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,453.18 : 788,290.52 = 170,439.58 : x
  2. Step 2: Convert to fraction form
    525,453.18/788,290.52 = 170,439.58/x
  3. Step 3: Cross multiply
    525,453.18x = 788,290.52 × 170,439.58
  4. Step 4: Simplify right side
    525,453.18x = 134,355,905,146.78
  5. Step 5: Solve for x
    x = 134,355,905,146.78/525,453.18
  6. Step 6: Final answer
    x = 255,695.29

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1.5x scale

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.