Home / 788,132.25-1,182,087.54-255,657.96

Finding the Fourth Proportional to 788,132.25, 1,182,087.54 and 255,657.96

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Solution

The fourth proportional to 788,132.25, 1,182,087.54 and 255,657.96 is: 383,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,132.25 : 1,182,087.54 = 255,657.96 : x
  2. Step 2: Convert to fraction form
    788,132.25/1,182,087.54 = 255,657.96/x
  3. Step 3: Cross multiply
    788,132.25x = 1,182,087.54 × 255,657.96
  4. Step 4: Simplify right side
    788,132.25x = 302,210,089,017.82
  5. Step 5: Solve for x
    x = 302,210,089,017.82/788,132.25
  6. Step 6: Final answer
    x = 383,450.99

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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.