Home / 821,468.59-1,133,621.22-458,889.23

Finding the Fourth Proportional to 821,468.59, 1,133,621.22 and 458,889.23

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Solution

The fourth proportional to 821,468.59, 1,133,621.22 and 458,889.23 is: 633,264.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,468.59 : 1,133,621.22 = 458,889.23 : x
  2. Step 2: Convert to fraction form
    821,468.59/1,133,621.22 = 458,889.23/x
  3. Step 3: Cross multiply
    821,468.59x = 1,133,621.22 × 458,889.23
  4. Step 4: Simplify right side
    821,468.59x = 520,206,573,312.35
  5. Step 5: Solve for x
    x = 520,206,573,312.35/821,468.59
  6. Step 6: Final answer
    x = 633,264.11

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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.