Home / 972,288.80-1,458,433.20-439,827.20

Finding the Fourth Proportional to 972,288.80, 1,458,433.20 and 439,827.20

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Solution

The fourth proportional to 972,288.80, 1,458,433.20 and 439,827.20 is: 659,740.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,288.80 : 1,458,433.20 = 439,827.20 : x
  2. Step 2: Convert to fraction form
    972,288.80/1,458,433.20 = 439,827.20/x
  3. Step 3: Cross multiply
    972,288.80x = 1,458,433.20 × 439,827.20
  4. Step 4: Simplify right side
    972,288.80x = 641,458,590,743.04
  5. Step 5: Solve for x
    x = 641,458,590,743.04/972,288.80
  6. Step 6: Final answer
    x = 659,740.80

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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.