Home / 476,268.24-657,202.32-285,276.72

Finding the Fourth Proportional to 476,268.24, 657,202.32 and 285,276.72

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Solution

The fourth proportional to 476,268.24, 657,202.32 and 285,276.72 is: 393,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,268.24 : 657,202.32 = 285,276.72 : x
  2. Step 2: Convert to fraction form
    476,268.24/657,202.32 = 285,276.72/x
  3. Step 3: Cross multiply
    476,268.24x = 657,202.32 × 285,276.72
  4. Step 4: Simplify right side
    476,268.24x = 187,484,522,225.99
  5. Step 5: Solve for x
    x = 187,484,522,225.99/476,268.24
  6. Step 6: Final answer
    x = 393,653.21

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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.