Home / 939,565.91-1,296,604.40-509,846.03

Finding the Fourth Proportional to 939,565.91, 1,296,604.40 and 509,846.03

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Solution

The fourth proportional to 939,565.91, 1,296,604.40 and 509,846.03 is: 703,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,565.91 : 1,296,604.40 = 509,846.03 : x
  2. Step 2: Convert to fraction form
    939,565.91/1,296,604.40 = 509,846.03/x
  3. Step 3: Cross multiply
    939,565.91x = 1,296,604.40 × 509,846.03
  4. Step 4: Simplify right side
    939,565.91x = 661,068,596,788.28
  5. Step 5: Solve for x
    x = 661,068,596,788.28/939,565.91
  6. Step 6: Final answer
    x = 703,589.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.