Home / 457,320.42-631,174.14-261,087.39

Finding the Fourth Proportional to 457,320.42, 631,174.14 and 261,087.39

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Solution

The fourth proportional to 457,320.42, 631,174.14 and 261,087.39 is: 360,341.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,320.42 : 631,174.14 = 261,087.39 : x
  2. Step 2: Convert to fraction form
    457,320.42/631,174.14 = 261,087.39/x
  3. Step 3: Cross multiply
    457,320.42x = 631,174.14 × 261,087.39
  4. Step 4: Simplify right side
    457,320.42x = 164,791,608,848.10
  5. Step 5: Solve for x
    x = 164,791,608,848.10/457,320.42
  6. Step 6: Final answer
    x = 360,341.68

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1.5x scale

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.