Home / 788,307.40-1,183,044.30-521,979.40

Finding the Fourth Proportional to 788,307.40, 1,183,044.30 and 521,979.40

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Solution

The fourth proportional to 788,307.40, 1,183,044.30 and 521,979.40 is: 783,355.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,307.40 : 1,183,044.30 = 521,979.40 : x
  2. Step 2: Convert to fraction form
    788,307.40/1,183,044.30 = 521,979.40/x
  3. Step 3: Cross multiply
    788,307.40x = 1,183,044.30 × 521,979.40
  4. Step 4: Simplify right side
    788,307.40x = 617,524,753,887.42
  5. Step 5: Solve for x
    x = 617,524,753,887.42/788,307.40
  6. Step 6: Final answer
    x = 783,355.27

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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.