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Finding the Fourth Proportional to 563,339, 777,407.82 and 324,875

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Solution

The fourth proportional to 563,339, 777,407.82 and 324,875 is: 448,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,339 : 777,407.82 = 324,875 : x
  2. Step 2: Convert to fraction form
    563,339/777,407.82 = 324,875/x
  3. Step 3: Cross multiply
    563,339x = 777,407.82 × 324,875
  4. Step 4: Simplify right side
    563,339x = 252,560,365,522.50
  5. Step 5: Solve for x
    x = 252,560,365,522.50/563,339
  6. Step 6: Final answer
    x = 448,327.50

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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.