Home / 983,457.20-1,475,234.40-511,065.20

Finding the Fourth Proportional to 983,457.20, 1,475,234.40 and 511,065.20

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Solution

The fourth proportional to 983,457.20, 1,475,234.40 and 511,065.20 is: 766,623.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,457.20 : 1,475,234.40 = 511,065.20 : x
  2. Step 2: Convert to fraction form
    983,457.20/1,475,234.40 = 511,065.20/x
  3. Step 3: Cross multiply
    983,457.20x = 1,475,234.40 × 511,065.20
  4. Step 4: Simplify right side
    983,457.20x = 753,940,963,682.88
  5. Step 5: Solve for x
    x = 753,940,963,682.88/983,457.20
  6. Step 6: Final answer
    x = 766,623.06

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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.