Home / 428,664.64-591,590.64-237,715.24

Finding the Fourth Proportional to 428,664.64, 591,590.64 and 237,715.24

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Solution

The fourth proportional to 428,664.64, 591,590.64 and 237,715.24 is: 328,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,664.64 : 591,590.64 = 237,715.24 : x
  2. Step 2: Convert to fraction form
    428,664.64/591,590.64 = 237,715.24/x
  3. Step 3: Cross multiply
    428,664.64x = 591,590.64 × 237,715.24
  4. Step 4: Simplify right side
    428,664.64x = 140,630,110,969.35
  5. Step 5: Solve for x
    x = 140,630,110,969.35/428,664.64
  6. Step 6: Final answer
    x = 328,065.57

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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.