Home / 815,442.04-1,125,337.98-452,871.64

Finding the Fourth Proportional to 815,442.04, 1,125,337.98 and 452,871.64

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Solution

The fourth proportional to 815,442.04, 1,125,337.98 and 452,871.64 is: 624,978.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,442.04 : 1,125,337.98 = 452,871.64 : x
  2. Step 2: Convert to fraction form
    815,442.04/1,125,337.98 = 452,871.64/x
  3. Step 3: Cross multiply
    815,442.04x = 1,125,337.98 × 452,871.64
  4. Step 4: Simplify right side
    815,442.04x = 509,633,656,556.89
  5. Step 5: Solve for x
    x = 509,633,656,556.89/815,442.04
  6. Step 6: Final answer
    x = 624,978.39

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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.