Home / 809,503.86-1,117,116.93-446,928.42

Finding the Fourth Proportional to 809,503.86, 1,117,116.93 and 446,928.42

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Solution

The fourth proportional to 809,503.86, 1,117,116.93 and 446,928.42 is: 616,762.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,503.86 : 1,117,116.93 = 446,928.42 : x
  2. Step 2: Convert to fraction form
    809,503.86/1,117,116.93 = 446,928.42/x
  3. Step 3: Cross multiply
    809,503.86x = 1,117,116.93 × 446,928.42
  4. Step 4: Simplify right side
    809,503.86x = 499,271,304,480.15
  5. Step 5: Solve for x
    x = 499,271,304,480.15/809,503.86
  6. Step 6: Final answer
    x = 616,762.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.