Home / 858,577.02-1,287,850.41-297,603.42

Finding the Fourth Proportional to 858,577.02, 1,287,850.41 and 297,603.42

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Solution

The fourth proportional to 858,577.02, 1,287,850.41 and 297,603.42 is: 446,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,577.02 : 1,287,850.41 = 297,603.42 : x
  2. Step 2: Convert to fraction form
    858,577.02/1,287,850.41 = 297,603.42/x
  3. Step 3: Cross multiply
    858,577.02x = 1,287,850.41 × 297,603.42
  4. Step 4: Simplify right side
    858,577.02x = 383,268,686,464.40
  5. Step 5: Solve for x
    x = 383,268,686,464.40/858,577.02
  6. Step 6: Final answer
    x = 446,399.89

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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.