Home / 759,441.82-1,047,535.94-487,078.31

Finding the Fourth Proportional to 759,441.82, 1,047,535.94 and 487,078.31

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Solution

The fourth proportional to 759,441.82, 1,047,535.94 and 487,078.31 is: 671,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,441.82 : 1,047,535.94 = 487,078.31 : x
  2. Step 2: Convert to fraction form
    759,441.82/1,047,535.94 = 487,078.31/x
  3. Step 3: Cross multiply
    759,441.82x = 1,047,535.94 × 487,078.31
  4. Step 4: Simplify right side
    759,441.82x = 510,232,032,884.07
  5. Step 5: Solve for x
    x = 510,232,032,884.07/759,441.82
  6. Step 6: Final answer
    x = 671,851.38

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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.