Home / 545,977.20-817,653.60-265,166.40

Finding the Fourth Proportional to 545,977.20, 817,653.60 and 265,166.40

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Solution

The fourth proportional to 545,977.20, 817,653.60 and 265,166.40 is: 397,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,977.20 : 817,653.60 = 265,166.40 : x
  2. Step 2: Convert to fraction form
    545,977.20/817,653.60 = 265,166.40/x
  3. Step 3: Cross multiply
    545,977.20x = 817,653.60 × 265,166.40
  4. Step 4: Simplify right side
    545,977.20x = 216,814,261,559.04
  5. Step 5: Solve for x
    x = 216,814,261,559.04/545,977.20
  6. Step 6: Final answer
    x = 397,112.30

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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.