Home / 457,501.52-631,200.87-276,144.55

Finding the Fourth Proportional to 457,501.52, 631,200.87 and 276,144.55

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Solution

The fourth proportional to 457,501.52, 631,200.87 and 276,144.55 is: 380,988.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,501.52 : 631,200.87 = 276,144.55 : x
  2. Step 2: Convert to fraction form
    457,501.52/631,200.87 = 276,144.55/x
  3. Step 3: Cross multiply
    457,501.52x = 631,200.87 × 276,144.55
  4. Step 4: Simplify right side
    457,501.52x = 174,302,678,627.76
  5. Step 5: Solve for x
    x = 174,302,678,627.76/457,501.52
  6. Step 6: Final answer
    x = 380,988.19

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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.