Home / 975,213.80-1,462,820.70-809,325.80

Finding the Fourth Proportional to 975,213.80, 1,462,820.70 and 809,325.80

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Solution

The fourth proportional to 975,213.80, 1,462,820.70 and 809,325.80 is: 1,213,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,213.80 : 1,462,820.70 = 809,325.80 : x
  2. Step 2: Convert to fraction form
    975,213.80/1,462,820.70 = 809,325.80/x
  3. Step 3: Cross multiply
    975,213.80x = 1,462,820.70 × 809,325.80
  4. Step 4: Simplify right side
    975,213.80x = 1,183,898,533,284.06
  5. Step 5: Solve for x
    x = 1,183,898,533,284.06/975,213.80
  6. Step 6: Final answer
    x = 1,213,988.70

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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.