Home / 585,739.49-877,606.25-319,686.75

Finding the Fourth Proportional to 585,739.49, 877,606.25 and 319,686.75

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Solution

The fourth proportional to 585,739.49, 877,606.25 and 319,686.75 is: 478,982.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,739.49 : 877,606.25 = 319,686.75 : x
  2. Step 2: Convert to fraction form
    585,739.49/877,606.25 = 319,686.75/x
  3. Step 3: Cross multiply
    585,739.49x = 877,606.25 × 319,686.75
  4. Step 4: Simplify right side
    585,739.49x = 280,559,088,243.75
  5. Step 5: Solve for x
    x = 280,559,088,243.75/585,739.49
  6. Step 6: Final answer
    x = 478,982.71

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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.