Home / 855,687.30-1,180,801.66-468,427.82

Finding the Fourth Proportional to 855,687.30, 1,180,801.66 and 468,427.82

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Solution

The fourth proportional to 855,687.30, 1,180,801.66 and 468,427.82 is: 646,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,687.30 : 1,180,801.66 = 468,427.82 : x
  2. Step 2: Convert to fraction form
    855,687.30/1,180,801.66 = 468,427.82/x
  3. Step 3: Cross multiply
    855,687.30x = 1,180,801.66 × 468,427.82
  4. Step 4: Simplify right side
    855,687.30x = 553,120,347,446.18
  5. Step 5: Solve for x
    x = 553,120,347,446.18/855,687.30
  6. Step 6: Final answer
    x = 646,404.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.