Home / 771,321.36-1,156,539.06-411,048.66

Finding the Fourth Proportional to 771,321.36, 1,156,539.06 and 411,048.66

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Solution

The fourth proportional to 771,321.36, 1,156,539.06 and 411,048.66 is: 616,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,321.36 : 1,156,539.06 = 411,048.66 : x
  2. Step 2: Convert to fraction form
    771,321.36/1,156,539.06 = 411,048.66/x
  3. Step 3: Cross multiply
    771,321.36x = 1,156,539.06 × 411,048.66
  4. Step 4: Simplify right side
    771,321.36x = 475,393,830,850.66
  5. Step 5: Solve for x
    x = 475,393,830,850.66/771,321.36
  6. Step 6: Final answer
    x = 616,336.92

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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.