Home / 988,751.27-1,483,064.01-315,315.65

Finding the Fourth Proportional to 988,751.27, 1,483,064.01 and 315,315.65

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Solution

The fourth proportional to 988,751.27, 1,483,064.01 and 315,315.65 is: 472,953.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,751.27 : 1,483,064.01 = 315,315.65 : x
  2. Step 2: Convert to fraction form
    988,751.27/1,483,064.01 = 315,315.65/x
  3. Step 3: Cross multiply
    988,751.27x = 1,483,064.01 × 315,315.65
  4. Step 4: Simplify right side
    988,751.27x = 467,633,292,304.76
  5. Step 5: Solve for x
    x = 467,633,292,304.76/988,751.27
  6. Step 6: Final answer
    x = 472,953.42

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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.