Home / 773,748.30-1,159,638.30-689,111.40

Finding the Fourth Proportional to 773,748.30, 1,159,638.30 and 689,111.40

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Solution

The fourth proportional to 773,748.30, 1,159,638.30 and 689,111.40 is: 1,032,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,748.30 : 1,159,638.30 = 689,111.40 : x
  2. Step 2: Convert to fraction form
    773,748.30/1,159,638.30 = 689,111.40/x
  3. Step 3: Cross multiply
    773,748.30x = 1,159,638.30 × 689,111.40
  4. Step 4: Simplify right side
    773,748.30x = 799,119,972,406.62
  5. Step 5: Solve for x
    x = 799,119,972,406.62/773,748.30
  6. Step 6: Final answer
    x = 1,032,790.60

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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.