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Finding the Fourth Proportional to 562,531.83, 776,295.97 and 304,408.75

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Solution

The fourth proportional to 562,531.83, 776,295.97 and 304,408.75 is: 420,085.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,531.83 : 776,295.97 = 304,408.75 : x
  2. Step 2: Convert to fraction form
    562,531.83/776,295.97 = 304,408.75/x
  3. Step 3: Cross multiply
    562,531.83x = 776,295.97 × 304,408.75
  4. Step 4: Simplify right side
    562,531.83x = 236,311,285,857.74
  5. Step 5: Solve for x
    x = 236,311,285,857.74/562,531.83
  6. Step 6: Final answer
    x = 420,085.18

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1.5x scale

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.