Home / 788,108.25-1,182,328.43-255,587.76

Finding the Fourth Proportional to 788,108.25, 1,182,328.43 and 255,587.76

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Solution

The fourth proportional to 788,108.25, 1,182,328.43 and 255,587.76 is: 383,435.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,108.25 : 1,182,328.43 = 255,587.76 : x
  2. Step 2: Convert to fraction form
    788,108.25/1,182,328.43 = 255,587.76/x
  3. Step 3: Cross multiply
    788,108.25x = 1,182,328.43 × 255,587.76
  4. Step 4: Simplify right side
    788,108.25x = 302,188,675,008.02
  5. Step 5: Solve for x
    x = 302,188,675,008.02/788,108.25
  6. Step 6: Final answer
    x = 383,435.49

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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.