Home / 829,085.60-1,243,628.40-268,522.40

Finding the Fourth Proportional to 829,085.60, 1,243,628.40 and 268,522.40

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Solution

The fourth proportional to 829,085.60, 1,243,628.40 and 268,522.40 is: 402,783.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,085.60 : 1,243,628.40 = 268,522.40 : x
  2. Step 2: Convert to fraction form
    829,085.60/1,243,628.40 = 268,522.40/x
  3. Step 3: Cross multiply
    829,085.60x = 1,243,628.40 × 268,522.40
  4. Step 4: Simplify right side
    829,085.60x = 333,942,082,676.16
  5. Step 5: Solve for x
    x = 333,942,082,676.16/829,085.60
  6. Step 6: Final answer
    x = 402,783.60

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Similar ratio
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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.