Home / 578,060.43-797,724.09-323,411.82

Finding the Fourth Proportional to 578,060.43, 797,724.09 and 323,411.82

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Solution

The fourth proportional to 578,060.43, 797,724.09 and 323,411.82 is: 446,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,060.43 : 797,724.09 = 323,411.82 : x
  2. Step 2: Convert to fraction form
    578,060.43/797,724.09 = 323,411.82/x
  3. Step 3: Cross multiply
    578,060.43x = 797,724.09 × 323,411.82
  4. Step 4: Simplify right side
    578,060.43x = 257,993,399,804.74
  5. Step 5: Solve for x
    x = 257,993,399,804.74/578,060.43
  6. Step 6: Final answer
    x = 446,308.70

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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.