Home / 855,755.55-1,181,021.87-473,782.33

Finding the Fourth Proportional to 855,755.55, 1,181,021.87 and 473,782.33

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Solution

The fourth proportional to 855,755.55, 1,181,021.87 and 473,782.33 is: 653,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,755.55 : 1,181,021.87 = 473,782.33 : x
  2. Step 2: Convert to fraction form
    855,755.55/1,181,021.87 = 473,782.33/x
  3. Step 3: Cross multiply
    855,755.55x = 1,181,021.87 × 473,782.33
  4. Step 4: Simplify right side
    855,755.55x = 559,547,296,010.29
  5. Step 5: Solve for x
    x = 559,547,296,010.29/855,755.55
  6. Step 6: Final answer
    x = 653,863.47

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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.