Home / 575,200.20-863,675.10-442,230.60

Finding the Fourth Proportional to 575,200.20, 863,675.10 and 442,230.60

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Solution

The fourth proportional to 575,200.20, 863,675.10 and 442,230.60 is: 664,018.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,200.20 : 863,675.10 = 442,230.60 : x
  2. Step 2: Convert to fraction form
    575,200.20/863,675.10 = 442,230.60/x
  3. Step 3: Cross multiply
    575,200.20x = 863,675.10 × 442,230.60
  4. Step 4: Simplify right side
    575,200.20x = 381,943,557,678.06
  5. Step 5: Solve for x
    x = 381,943,557,678.06/575,200.20
  6. Step 6: Final answer
    x = 664,018.47

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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.