Home / 777,515.85-1,072,963.67-437,983.29

Finding the Fourth Proportional to 777,515.85, 1,072,963.67 and 437,983.29

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Solution

The fourth proportional to 777,515.85, 1,072,963.67 and 437,983.29 is: 604,412.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,515.85 : 1,072,963.67 = 437,983.29 : x
  2. Step 2: Convert to fraction form
    777,515.85/1,072,963.67 = 437,983.29/x
  3. Step 3: Cross multiply
    777,515.85x = 1,072,963.67 × 437,983.29
  4. Step 4: Simplify right side
    777,515.85x = 469,940,156,047.16
  5. Step 5: Solve for x
    x = 469,940,156,047.16/777,515.85
  6. Step 6: Final answer
    x = 604,412.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.