Home / 938,648.74-1,295,513.85-556,886.02

Finding the Fourth Proportional to 938,648.74, 1,295,513.85 and 556,886.02

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Solution

The fourth proportional to 938,648.74, 1,295,513.85 and 556,886.02 is: 768,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,648.74 : 1,295,513.85 = 556,886.02 : x
  2. Step 2: Convert to fraction form
    938,648.74/1,295,513.85 = 556,886.02/x
  3. Step 3: Cross multiply
    938,648.74x = 1,295,513.85 × 556,886.02
  4. Step 4: Simplify right side
    938,648.74x = 721,453,551,781.38
  5. Step 5: Solve for x
    x = 721,453,551,781.38/938,648.74
  6. Step 6: Final answer
    x = 768,608.66

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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.