Home / 911,915.33-1,258,508.30-504,008.39

Finding the Fourth Proportional to 911,915.33, 1,258,508.30 and 504,008.39

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Solution

The fourth proportional to 911,915.33, 1,258,508.30 and 504,008.39 is: 695,567.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,915.33 : 1,258,508.30 = 504,008.39 : x
  2. Step 2: Convert to fraction form
    911,915.33/1,258,508.30 = 504,008.39/x
  3. Step 3: Cross multiply
    911,915.33x = 1,258,508.30 × 504,008.39
  4. Step 4: Simplify right side
    911,915.33x = 634,298,739,564.60
  5. Step 5: Solve for x
    x = 634,298,739,564.60/911,915.33
  6. Step 6: Final answer
    x = 695,567.58

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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.