Home / 747,743.86-1,031,945.43-425,467.54

Finding the Fourth Proportional to 747,743.86, 1,031,945.43 and 425,467.54

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Solution

The fourth proportional to 747,743.86, 1,031,945.43 and 425,467.54 is: 587,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,743.86 : 1,031,945.43 = 425,467.54 : x
  2. Step 2: Convert to fraction form
    747,743.86/1,031,945.43 = 425,467.54/x
  3. Step 3: Cross multiply
    747,743.86x = 1,031,945.43 × 425,467.54
  4. Step 4: Simplify right side
    747,743.86x = 439,059,283,516.34
  5. Step 5: Solve for x
    x = 439,059,283,516.34/747,743.86
  6. Step 6: Final answer
    x = 587,178.72

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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.