Home / 779,825.46-1,169,779.78-247,389.06

Finding the Fourth Proportional to 779,825.46, 1,169,779.78 and 247,389.06

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Solution

The fourth proportional to 779,825.46, 1,169,779.78 and 247,389.06 is: 371,096.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,825.46 : 1,169,779.78 = 247,389.06 : x
  2. Step 2: Convert to fraction form
    779,825.46/1,169,779.78 = 247,389.06/x
  3. Step 3: Cross multiply
    779,825.46x = 1,169,779.78 × 247,389.06
  4. Step 4: Simplify right side
    779,825.46x = 289,390,720,181.21
  5. Step 5: Solve for x
    x = 289,390,720,181.21/779,825.46
  6. Step 6: Final answer
    x = 371,096.78

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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.