Home / 472,492.37-652,025.25-257,636.63

Finding the Fourth Proportional to 472,492.37, 652,025.25 and 257,636.63

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Solution

The fourth proportional to 472,492.37, 652,025.25 and 257,636.63 is: 355,530.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,492.37 : 652,025.25 = 257,636.63 : x
  2. Step 2: Convert to fraction form
    472,492.37/652,025.25 = 257,636.63/x
  3. Step 3: Cross multiply
    472,492.37x = 652,025.25 × 257,636.63
  4. Step 4: Simplify right side
    472,492.37x = 167,985,584,824.78
  5. Step 5: Solve for x
    x = 167,985,584,824.78/472,492.37
  6. Step 6: Final answer
    x = 355,530.79

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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.