Home / 559,677.94-772,376.41-318,001.44

Finding the Fourth Proportional to 559,677.94, 772,376.41 and 318,001.44

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Solution

The fourth proportional to 559,677.94, 772,376.41 and 318,001.44 is: 438,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,677.94 : 772,376.41 = 318,001.44 : x
  2. Step 2: Convert to fraction form
    559,677.94/772,376.41 = 318,001.44/x
  3. Step 3: Cross multiply
    559,677.94x = 772,376.41 × 318,001.44
  4. Step 4: Simplify right side
    559,677.94x = 245,616,813,895.94
  5. Step 5: Solve for x
    x = 245,616,813,895.94/559,677.94
  6. Step 6: Final answer
    x = 438,853.84

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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.