Home / 975,376.80-1,463,065.20-809,488.80

Finding the Fourth Proportional to 975,376.80, 1,463,065.20 and 809,488.80

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Solution

The fourth proportional to 975,376.80, 1,463,065.20 and 809,488.80 is: 1,214,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,376.80 : 1,463,065.20 = 809,488.80 : x
  2. Step 2: Convert to fraction form
    975,376.80/1,463,065.20 = 809,488.80/x
  3. Step 3: Cross multiply
    975,376.80x = 1,463,065.20 × 809,488.80
  4. Step 4: Simplify right side
    975,376.80x = 1,184,334,893,069.76
  5. Step 5: Solve for x
    x = 1,184,334,893,069.76/975,376.80
  6. Step 6: Final answer
    x = 1,214,233.20

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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.