Home / 975,320.80-1,462,981.20-809,432.80

Finding the Fourth Proportional to 975,320.80, 1,462,981.20 and 809,432.80

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Solution

The fourth proportional to 975,320.80, 1,462,981.20 and 809,432.80 is: 1,214,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,320.80 : 1,462,981.20 = 809,432.80 : x
  2. Step 2: Convert to fraction form
    975,320.80/1,462,981.20 = 809,432.80/x
  3. Step 3: Cross multiply
    975,320.80x = 1,462,981.20 × 809,432.80
  4. Step 4: Simplify right side
    975,320.80x = 1,184,184,969,063.36
  5. Step 5: Solve for x
    x = 1,184,184,969,063.36/975,320.80
  6. Step 6: Final answer
    x = 1,214,149.20

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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.