Home / 809,230.50-1,213,904.07-310,594.50

Finding the Fourth Proportional to 809,230.50, 1,213,904.07 and 310,594.50

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Solution

The fourth proportional to 809,230.50, 1,213,904.07 and 310,594.50 is: 465,914.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,230.50 : 1,213,904.07 = 310,594.50 : x
  2. Step 2: Convert to fraction form
    809,230.50/1,213,904.07 = 310,594.50/x
  3. Step 3: Cross multiply
    809,230.50x = 1,213,904.07 × 310,594.50
  4. Step 4: Simplify right side
    809,230.50x = 377,031,927,669.62
  5. Step 5: Solve for x
    x = 377,031,927,669.62/809,230.50
  6. Step 6: Final answer
    x = 465,914.13

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1.5x scale

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.