Home / 819,907.58-1,229,280.60-364,248.56

Finding the Fourth Proportional to 819,907.58, 1,229,280.60 and 364,248.56

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Solution

The fourth proportional to 819,907.58, 1,229,280.60 and 364,248.56 is: 546,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,907.58 : 1,229,280.60 = 364,248.56 : x
  2. Step 2: Convert to fraction form
    819,907.58/1,229,280.60 = 364,248.56/x
  3. Step 3: Cross multiply
    819,907.58x = 1,229,280.60 × 364,248.56
  4. Step 4: Simplify right side
    819,907.58x = 447,763,688,385.94
  5. Step 5: Solve for x
    x = 447,763,688,385.94/819,907.58
  6. Step 6: Final answer
    x = 546,114.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.