Home / 476,938.07-657,516.87-380,469.35

Finding the Fourth Proportional to 476,938.07, 657,516.87 and 380,469.35

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Solution

The fourth proportional to 476,938.07, 657,516.87 and 380,469.35 is: 524,523.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,938.07 : 657,516.87 = 380,469.35 : x
  2. Step 2: Convert to fraction form
    476,938.07/657,516.87 = 380,469.35/x
  3. Step 3: Cross multiply
    476,938.07x = 657,516.87 × 380,469.35
  4. Step 4: Simplify right side
    476,938.07x = 250,165,014,023.56
  5. Step 5: Solve for x
    x = 250,165,014,023.56/476,938.07
  6. Step 6: Final answer
    x = 524,523.06

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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.