Home / 909,329.32-1,363,993.80-310,290.46

Finding the Fourth Proportional to 909,329.32, 1,363,993.80 and 310,290.46

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Solution

The fourth proportional to 909,329.32, 1,363,993.80 and 310,290.46 is: 465,435.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,329.32 : 1,363,993.80 = 310,290.46 : x
  2. Step 2: Convert to fraction form
    909,329.32/1,363,993.80 = 310,290.46/x
  3. Step 3: Cross multiply
    909,329.32x = 1,363,993.80 × 310,290.46
  4. Step 4: Simplify right side
    909,329.32x = 423,234,263,639.15
  5. Step 5: Solve for x
    x = 423,234,263,639.15/909,329.32
  6. Step 6: Final answer
    x = 465,435.63

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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.