Home / 773,836.70-1,159,005.45-458,908.70

Finding the Fourth Proportional to 773,836.70, 1,159,005.45 and 458,908.70

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Solution

The fourth proportional to 773,836.70, 1,159,005.45 and 458,908.70 is: 687,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,836.70 : 1,159,005.45 = 458,908.70 : x
  2. Step 2: Convert to fraction form
    773,836.70/1,159,005.45 = 458,908.70/x
  3. Step 3: Cross multiply
    773,836.70x = 1,159,005.45 × 458,908.70
  4. Step 4: Simplify right side
    773,836.70x = 531,877,684,352.42
  5. Step 5: Solve for x
    x = 531,877,684,352.42/773,836.70
  6. Step 6: Final answer
    x = 687,325.48

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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.