Home / 788,163.66-1,182,411.63-255,643.26

Finding the Fourth Proportional to 788,163.66, 1,182,411.63 and 255,643.26

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Solution

The fourth proportional to 788,163.66, 1,182,411.63 and 255,643.26 is: 383,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,163.66 : 1,182,411.63 = 255,643.26 : x
  2. Step 2: Convert to fraction form
    788,163.66/1,182,411.63 = 255,643.26/x
  3. Step 3: Cross multiply
    788,163.66x = 1,182,411.63 × 255,643.26
  4. Step 4: Simplify right side
    788,163.66x = 302,275,563,755.11
  5. Step 5: Solve for x
    x = 302,275,563,755.11/788,163.66
  6. Step 6: Final answer
    x = 383,518.78

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Double scale
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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.