Home / 911,915.58-1,258,508.65-504,008.64

Finding the Fourth Proportional to 911,915.58, 1,258,508.65 and 504,008.64

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Solution

The fourth proportional to 911,915.58, 1,258,508.65 and 504,008.64 is: 695,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,915.58 : 1,258,508.65 = 504,008.64 : x
  2. Step 2: Convert to fraction form
    911,915.58/1,258,508.65 = 504,008.64/x
  3. Step 3: Cross multiply
    911,915.58x = 1,258,508.65 × 504,008.64
  4. Step 4: Simplify right side
    911,915.58x = 634,299,233,114.74
  5. Step 5: Solve for x
    x = 634,299,233,114.74/911,915.58
  6. Step 6: Final answer
    x = 695,567.93

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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.