Home / 788,101.74-1,182,318.69-255,581.25

Finding the Fourth Proportional to 788,101.74, 1,182,318.69 and 255,581.25

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Solution

The fourth proportional to 788,101.74, 1,182,318.69 and 255,581.25 is: 383,425.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,101.74 : 1,182,318.69 = 255,581.25 : x
  2. Step 2: Convert to fraction form
    788,101.74/1,182,318.69 = 255,581.25/x
  3. Step 3: Cross multiply
    788,101.74x = 1,182,318.69 × 255,581.25
  4. Step 4: Simplify right side
    788,101.74x = 302,178,487,410.66
  5. Step 5: Solve for x
    x = 302,178,487,410.66/788,101.74
  6. Step 6: Final answer
    x = 383,425.73

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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.