Home / 855,326.64-1,180,341.75-462,850.98

Finding the Fourth Proportional to 855,326.64, 1,180,341.75 and 462,850.98

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Solution

The fourth proportional to 855,326.64, 1,180,341.75 and 462,850.98 is: 638,729.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,326.64 : 1,180,341.75 = 462,850.98 : x
  2. Step 2: Convert to fraction form
    855,326.64/1,180,341.75 = 462,850.98/x
  3. Step 3: Cross multiply
    855,326.64x = 1,180,341.75 × 462,850.98
  4. Step 4: Simplify right side
    855,326.64x = 546,322,339,085.65
  5. Step 5: Solve for x
    x = 546,322,339,085.65/855,326.64
  6. Step 6: Final answer
    x = 638,729.48

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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.