Home / 713,000.19-1,068,748.20-263,433.18

Finding the Fourth Proportional to 713,000.19, 1,068,748.20 and 263,433.18

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Solution

The fourth proportional to 713,000.19, 1,068,748.20 and 263,433.18 is: 394,871.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,000.19 : 1,068,748.20 = 263,433.18 : x
  2. Step 2: Convert to fraction form
    713,000.19/1,068,748.20 = 263,433.18/x
  3. Step 3: Cross multiply
    713,000.19x = 1,068,748.20 × 263,433.18
  4. Step 4: Simplify right side
    713,000.19x = 281,543,736,945.28
  5. Step 5: Solve for x
    x = 281,543,736,945.28/713,000.19
  6. Step 6: Final answer
    x = 394,871.90

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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.