Home / 972,374.40-1,458,124.20-439,621.20

Finding the Fourth Proportional to 972,374.40, 1,458,124.20 and 439,621.20

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Solution

The fourth proportional to 972,374.40, 1,458,124.20 and 439,621.20 is: 659,234.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,374.40 : 1,458,124.20 = 439,621.20 : x
  2. Step 2: Convert to fraction form
    972,374.40/1,458,124.20 = 439,621.20/x
  3. Step 3: Cross multiply
    972,374.40x = 1,458,124.20 × 439,621.20
  4. Step 4: Simplify right side
    972,374.40x = 641,022,310,553.04
  5. Step 5: Solve for x
    x = 641,022,310,553.04/972,374.40
  6. Step 6: Final answer
    x = 659,234.05

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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.