Home / 959,574.20-1,438,049.10-638,814.20

Finding the Fourth Proportional to 959,574.20, 1,438,049.10 and 638,814.20

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Solution

The fourth proportional to 959,574.20, 1,438,049.10 and 638,814.20 is: 957,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,574.20 : 1,438,049.10 = 638,814.20 : x
  2. Step 2: Convert to fraction form
    959,574.20/1,438,049.10 = 638,814.20/x
  3. Step 3: Cross multiply
    959,574.20x = 1,438,049.10 × 638,814.20
  4. Step 4: Simplify right side
    959,574.20x = 918,646,185,377.22
  5. Step 5: Solve for x
    x = 918,646,185,377.22/959,574.20
  6. Step 6: Final answer
    x = 957,347.73

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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.