Home / 816,483.74-1,126,786.01-453,913.65

Finding the Fourth Proportional to 816,483.74, 1,126,786.01 and 453,913.65

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Solution

The fourth proportional to 816,483.74, 1,126,786.01 and 453,913.65 is: 626,422.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,483.74 : 1,126,786.01 = 453,913.65 : x
  2. Step 2: Convert to fraction form
    816,483.74/1,126,786.01 = 453,913.65/x
  3. Step 3: Cross multiply
    816,483.74x = 1,126,786.01 × 453,913.65
  4. Step 4: Simplify right side
    816,483.74x = 511,463,548,298.47
  5. Step 5: Solve for x
    x = 511,463,548,298.47/816,483.74
  6. Step 6: Final answer
    x = 626,422.21

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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.