Home / 788,159.14-1,182,404.94-255,638.82

Finding the Fourth Proportional to 788,159.14, 1,182,404.94 and 255,638.82

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Solution

The fourth proportional to 788,159.14, 1,182,404.94 and 255,638.82 is: 383,512.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,159.14 : 1,182,404.94 = 255,638.82 : x
  2. Step 2: Convert to fraction form
    788,159.14/1,182,404.94 = 255,638.82/x
  3. Step 3: Cross multiply
    788,159.14x = 1,182,404.94 × 255,638.82
  4. Step 4: Simplify right side
    788,159.14x = 302,268,603,623.77
  5. Step 5: Solve for x
    x = 302,268,603,623.77/788,159.14
  6. Step 6: Final answer
    x = 383,512.15

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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.