Home / 814,830.90-1,124,458.40-452,257.89

Finding the Fourth Proportional to 814,830.90, 1,124,458.40 and 452,257.89

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Solution

The fourth proportional to 814,830.90, 1,124,458.40 and 452,257.89 is: 624,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,830.90 : 1,124,458.40 = 452,257.89 : x
  2. Step 2: Convert to fraction form
    814,830.90/1,124,458.40 = 452,257.89/x
  3. Step 3: Cross multiply
    814,830.90x = 1,124,458.40 × 452,257.89
  4. Step 4: Simplify right side
    814,830.90x = 508,545,181,115.49
  5. Step 5: Solve for x
    x = 508,545,181,115.49/814,830.90
  6. Step 6: Final answer
    x = 624,111.31

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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.