Home / 559,783.05-772,471.46-318,032.07

Finding the Fourth Proportional to 559,783.05, 772,471.46 and 318,032.07

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Solution

The fourth proportional to 559,783.05, 772,471.46 and 318,032.07 is: 438,867.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,783.05 : 772,471.46 = 318,032.07 : x
  2. Step 2: Convert to fraction form
    559,783.05/772,471.46 = 318,032.07/x
  3. Step 3: Cross multiply
    559,783.05x = 772,471.46 × 318,032.07
  4. Step 4: Simplify right side
    559,783.05x = 245,670,695,849.56
  5. Step 5: Solve for x
    x = 245,670,695,849.56/559,783.05
  6. Step 6: Final answer
    x = 438,867.69

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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.