Home / 971,226.20-1,339,940.73-563,103.29

Finding the Fourth Proportional to 971,226.20, 1,339,940.73 and 563,103.29

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Solution

The fourth proportional to 971,226.20, 1,339,940.73 and 563,103.29 is: 776,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,226.20 : 1,339,940.73 = 563,103.29 : x
  2. Step 2: Convert to fraction form
    971,226.20/1,339,940.73 = 563,103.29/x
  3. Step 3: Cross multiply
    971,226.20x = 1,339,940.73 × 563,103.29
  4. Step 4: Simplify right side
    971,226.20x = 754,525,035,762.04
  5. Step 5: Solve for x
    x = 754,525,035,762.04/971,226.20
  6. Step 6: Final answer
    x = 776,878.79

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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.