Home / 467,265.76-644,623.28-285,985.76

Finding the Fourth Proportional to 467,265.76, 644,623.28 and 285,985.76

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Solution

The fourth proportional to 467,265.76, 644,623.28 and 285,985.76 is: 394,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,265.76 : 644,623.28 = 285,985.76 : x
  2. Step 2: Convert to fraction form
    467,265.76/644,623.28 = 285,985.76/x
  3. Step 3: Cross multiply
    467,265.76x = 644,623.28 × 285,985.76
  4. Step 4: Simplify right side
    467,265.76x = 184,353,078,644.49
  5. Step 5: Solve for x
    x = 184,353,078,644.49/467,265.76
  6. Step 6: Final answer
    x = 394,535.82

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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.