Home / 384,328.20-577,874.70-323,502.60

Finding the Fourth Proportional to 384,328.20, 577,874.70 and 323,502.60

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Solution

The fourth proportional to 384,328.20, 577,874.70 and 323,502.60 is: 486,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,328.20 : 577,874.70 = 323,502.60 : x
  2. Step 2: Convert to fraction form
    384,328.20/577,874.70 = 323,502.60/x
  3. Step 3: Cross multiply
    384,328.20x = 577,874.70 × 323,502.60
  4. Step 4: Simplify right side
    384,328.20x = 186,943,967,924.22
  5. Step 5: Solve for x
    x = 186,943,967,924.22/384,328.20
  6. Step 6: Final answer
    x = 486,417.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.