Home / 815,814.59-1,223,301.69-366,149.97

Finding the Fourth Proportional to 815,814.59, 1,223,301.69 and 366,149.97

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Solution

The fourth proportional to 815,814.59, 1,223,301.69 and 366,149.97 is: 549,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,814.59 : 1,223,301.69 = 366,149.97 : x
  2. Step 2: Convert to fraction form
    815,814.59/1,223,301.69 = 366,149.97/x
  3. Step 3: Cross multiply
    815,814.59x = 1,223,301.69 × 366,149.97
  4. Step 4: Simplify right side
    815,814.59x = 447,911,877,094.45
  5. Step 5: Solve for x
    x = 447,911,877,094.45/815,814.59
  6. Step 6: Final answer
    x = 549,036.37

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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.