Home / 879,573.15-1,213,941.24-557,313.30

Finding the Fourth Proportional to 879,573.15, 1,213,941.24 and 557,313.30

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Solution

The fourth proportional to 879,573.15, 1,213,941.24 and 557,313.30 is: 769,174.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,573.15 : 1,213,941.24 = 557,313.30 : x
  2. Step 2: Convert to fraction form
    879,573.15/1,213,941.24 = 557,313.30/x
  3. Step 3: Cross multiply
    879,573.15x = 1,213,941.24 × 557,313.30
  4. Step 4: Simplify right side
    879,573.15x = 676,545,598,470.49
  5. Step 5: Solve for x
    x = 676,545,598,470.49/879,573.15
  6. Step 6: Final answer
    x = 769,174.91

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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.