Home / 987,563.40-1,480,907.70-454,810.20

Finding the Fourth Proportional to 987,563.40, 1,480,907.70 and 454,810.20

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Solution

The fourth proportional to 987,563.40, 1,480,907.70 and 454,810.20 is: 682,013.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,563.40 : 1,480,907.70 = 454,810.20 : x
  2. Step 2: Convert to fraction form
    987,563.40/1,480,907.70 = 454,810.20/x
  3. Step 3: Cross multiply
    987,563.40x = 1,480,907.70 × 454,810.20
  4. Step 4: Simplify right side
    987,563.40x = 673,531,927,218.54
  5. Step 5: Solve for x
    x = 673,531,927,218.54/987,563.40
  6. Step 6: Final answer
    x = 682,013.86

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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.