Home / 600,215.40-828,408.06-385,623.72

Finding the Fourth Proportional to 600,215.40, 828,408.06 and 385,623.72

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Solution

The fourth proportional to 600,215.40, 828,408.06 and 385,623.72 is: 532,231.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,215.40 : 828,408.06 = 385,623.72 : x
  2. Step 2: Convert to fraction form
    600,215.40/828,408.06 = 385,623.72/x
  3. Step 3: Cross multiply
    600,215.40x = 828,408.06 × 385,623.72
  4. Step 4: Simplify right side
    600,215.40x = 319,453,797,775.18
  5. Step 5: Solve for x
    x = 319,453,797,775.18/600,215.40
  6. Step 6: Final answer
    x = 532,231.93

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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.