Home / 855,114.06-1,180,754.97-549,342.30

Finding the Fourth Proportional to 855,114.06, 1,180,754.97 and 549,342.30

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Solution

The fourth proportional to 855,114.06, 1,180,754.97 and 549,342.30 is: 758,540.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,114.06 : 1,180,754.97 = 549,342.30 : x
  2. Step 2: Convert to fraction form
    855,114.06/1,180,754.97 = 549,342.30/x
  3. Step 3: Cross multiply
    855,114.06x = 1,180,754.97 × 549,342.30
  4. Step 4: Simplify right side
    855,114.06x = 648,638,650,956.23
  5. Step 5: Solve for x
    x = 648,638,650,956.23/855,114.06
  6. Step 6: Final answer
    x = 758,540.51

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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.