Home / 939,475.20-1,296,812-557,502

Finding the Fourth Proportional to 939,475.20, 1,296,812 and 557,502

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Solution

The fourth proportional to 939,475.20, 1,296,812 and 557,502 is: 769,552.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,475.20 : 1,296,812 = 557,502 : x
  2. Step 2: Convert to fraction form
    939,475.20/1,296,812 = 557,502/x
  3. Step 3: Cross multiply
    939,475.20x = 1,296,812 × 557,502
  4. Step 4: Simplify right side
    939,475.20x = 722,975,283,624
  5. Step 5: Solve for x
    x = 722,975,283,624/939,475.20
  6. Step 6: Final answer
    x = 769,552.28

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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.