Home / 559,808.94-772,508.43-318,059.58

Finding the Fourth Proportional to 559,808.94, 772,508.43 and 318,059.58

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Solution

The fourth proportional to 559,808.94, 772,508.43 and 318,059.58 is: 438,906.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,808.94 : 772,508.43 = 318,059.58 : x
  2. Step 2: Convert to fraction form
    559,808.94/772,508.43 = 318,059.58/x
  3. Step 3: Cross multiply
    559,808.94x = 772,508.43 × 318,059.58
  4. Step 4: Simplify right side
    559,808.94x = 245,703,706,792.26
  5. Step 5: Solve for x
    x = 245,703,706,792.26/559,808.94
  6. Step 6: Final answer
    x = 438,906.36

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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.