Home / 578,072.74-797,705.44-319,934.07

Finding the Fourth Proportional to 578,072.74, 797,705.44 and 319,934.07

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Solution

The fourth proportional to 578,072.74, 797,705.44 and 319,934.07 is: 441,489.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,072.74 : 797,705.44 = 319,934.07 : x
  2. Step 2: Convert to fraction form
    578,072.74/797,705.44 = 319,934.07/x
  3. Step 3: Cross multiply
    578,072.74x = 797,705.44 × 319,934.07
  4. Step 4: Simplify right side
    578,072.74x = 255,213,144,815.00
  5. Step 5: Solve for x
    x = 255,213,144,815.00/578,072.74
  6. Step 6: Final answer
    x = 441,489.67

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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.