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Finding the Fourth Proportional to 893,395.50, 1,339,500.81 and 324,709.08

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Solution

The fourth proportional to 893,395.50, 1,339,500.81 and 324,709.08 is: 486,848.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,395.50 : 1,339,500.81 = 324,709.08 : x
  2. Step 2: Convert to fraction form
    893,395.50/1,339,500.81 = 324,709.08/x
  3. Step 3: Cross multiply
    893,395.50x = 1,339,500.81 × 324,709.08
  4. Step 4: Simplify right side
    893,395.50x = 434,948,075,674.36
  5. Step 5: Solve for x
    x = 434,948,075,674.36/893,395.50
  6. Step 6: Final answer
    x = 486,848.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.