Home / 787,209.30-1,180,909.80-281,823.30

Finding the Fourth Proportional to 787,209.30, 1,180,909.80 and 281,823.30

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Solution

The fourth proportional to 787,209.30, 1,180,909.80 and 281,823.30 is: 422,769.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,209.30 : 1,180,909.80 = 281,823.30 : x
  2. Step 2: Convert to fraction form
    787,209.30/1,180,909.80 = 281,823.30/x
  3. Step 3: Cross multiply
    787,209.30x = 1,180,909.80 × 281,823.30
  4. Step 4: Simplify right side
    787,209.30x = 332,807,896,838.34
  5. Step 5: Solve for x
    x = 332,807,896,838.34/787,209.30
  6. Step 6: Final answer
    x = 422,769.26

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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.