Home / 855,184.45-1,180,279.74-492,537.73

Finding the Fourth Proportional to 855,184.45, 1,180,279.74 and 492,537.73

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Solution

The fourth proportional to 855,184.45, 1,180,279.74 and 492,537.73 is: 679,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,184.45 : 1,180,279.74 = 492,537.73 : x
  2. Step 2: Convert to fraction form
    855,184.45/1,180,279.74 = 492,537.73/x
  3. Step 3: Cross multiply
    855,184.45x = 1,180,279.74 × 492,537.73
  4. Step 4: Simplify right side
    855,184.45x = 581,332,303,904.59
  5. Step 5: Solve for x
    x = 581,332,303,904.59/855,184.45
  6. Step 6: Final answer
    x = 679,774.17

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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.