Home / 820,938.32-1,132,595.70-481,340.96

Finding the Fourth Proportional to 820,938.32, 1,132,595.70 and 481,340.96

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Solution

The fourth proportional to 820,938.32, 1,132,595.70 and 481,340.96 is: 664,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,938.32 : 1,132,595.70 = 481,340.96 : x
  2. Step 2: Convert to fraction form
    820,938.32/1,132,595.70 = 481,340.96/x
  3. Step 3: Cross multiply
    820,938.32x = 1,132,595.70 × 481,340.96
  4. Step 4: Simplify right side
    820,938.32x = 545,164,701,529.87
  5. Step 5: Solve for x
    x = 545,164,701,529.87/820,938.32
  6. Step 6: Final answer
    x = 664,075.11

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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.