Home / 788,311.40-1,183,050.30-521,983.40

Finding the Fourth Proportional to 788,311.40, 1,183,050.30 and 521,983.40

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Solution

The fourth proportional to 788,311.40, 1,183,050.30 and 521,983.40 is: 783,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,311.40 : 1,183,050.30 = 521,983.40 : x
  2. Step 2: Convert to fraction form
    788,311.40/1,183,050.30 = 521,983.40/x
  3. Step 3: Cross multiply
    788,311.40x = 1,183,050.30 × 521,983.40
  4. Step 4: Simplify right side
    788,311.40x = 617,532,617,965.02
  5. Step 5: Solve for x
    x = 617,532,617,965.02/788,311.40
  6. Step 6: Final answer
    x = 783,361.27

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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.