Home / 972,031.80-1,457,879.58-439,428.96

Finding the Fourth Proportional to 972,031.80, 1,457,879.58 and 439,428.96

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Solution

The fourth proportional to 972,031.80, 1,457,879.58 and 439,428.96 is: 659,067.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,031.80 : 1,457,879.58 = 439,428.96 : x
  2. Step 2: Convert to fraction form
    972,031.80/1,457,879.58 = 439,428.96/x
  3. Step 3: Cross multiply
    972,031.80x = 1,457,879.58 × 439,428.96
  4. Step 4: Simplify right side
    972,031.80x = 640,634,507,644.64
  5. Step 5: Solve for x
    x = 640,634,507,644.64/972,031.80
  6. Step 6: Final answer
    x = 659,067.44

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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.