Home / 815,567.09-1,125,514.46-453,018.29

Finding the Fourth Proportional to 815,567.09, 1,125,514.46 and 453,018.29

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Solution

The fourth proportional to 815,567.09, 1,125,514.46 and 453,018.29 is: 625,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,567.09 : 1,125,514.46 = 453,018.29 : x
  2. Step 2: Convert to fraction form
    815,567.09/1,125,514.46 = 453,018.29/x
  3. Step 3: Cross multiply
    815,567.09x = 1,125,514.46 × 453,018.29
  4. Step 4: Simplify right side
    815,567.09x = 509,878,633,774.38
  5. Step 5: Solve for x
    x = 509,878,633,774.38/815,567.09
  6. Step 6: Final answer
    x = 625,182.94

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Double scale
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1.5x scale

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.