Home / 779,715.10-1,169,961.45-443,014.30

Finding the Fourth Proportional to 779,715.10, 1,169,961.45 and 443,014.30

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Solution

The fourth proportional to 779,715.10, 1,169,961.45 and 443,014.30 is: 664,742.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,715.10 : 1,169,961.45 = 443,014.30 : x
  2. Step 2: Convert to fraction form
    779,715.10/1,169,961.45 = 443,014.30/x
  3. Step 3: Cross multiply
    779,715.10x = 1,169,961.45 × 443,014.30
  4. Step 4: Simplify right side
    779,715.10x = 518,309,652,798.74
  5. Step 5: Solve for x
    x = 518,309,652,798.74/779,715.10
  6. Step 6: Final answer
    x = 664,742.36

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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.