Home / 457,961.16-631,572.70-285,895.01

Finding the Fourth Proportional to 457,961.16, 631,572.70 and 285,895.01

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Solution

The fourth proportional to 457,961.16, 631,572.70 and 285,895.01 is: 394,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,961.16 : 631,572.70 = 285,895.01 : x
  2. Step 2: Convert to fraction form
    457,961.16/631,572.70 = 285,895.01/x
  3. Step 3: Cross multiply
    457,961.16x = 631,572.70 × 285,895.01
  4. Step 4: Simplify right side
    457,961.16x = 180,563,483,382.23
  5. Step 5: Solve for x
    x = 180,563,483,382.23/457,961.16
  6. Step 6: Final answer
    x = 394,276.85

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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.