Home / 698,599.20-1,047,898.80-486,022.80

Finding the Fourth Proportional to 698,599.20, 1,047,898.80 and 486,022.80

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Solution

The fourth proportional to 698,599.20, 1,047,898.80 and 486,022.80 is: 729,034.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,599.20 : 1,047,898.80 = 486,022.80 : x
  2. Step 2: Convert to fraction form
    698,599.20/1,047,898.80 = 486,022.80/x
  3. Step 3: Cross multiply
    698,599.20x = 1,047,898.80 × 486,022.80
  4. Step 4: Simplify right side
    698,599.20x = 509,302,708,892.64
  5. Step 5: Solve for x
    x = 509,302,708,892.64/698,599.20
  6. Step 6: Final answer
    x = 729,034.20

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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.