Home / 911,915.08-1,258,507.93-504,008.15

Finding the Fourth Proportional to 911,915.08, 1,258,507.93 and 504,008.15

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Solution

The fourth proportional to 911,915.08, 1,258,507.93 and 504,008.15 is: 695,567.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,915.08 : 1,258,507.93 = 504,008.15 : x
  2. Step 2: Convert to fraction form
    911,915.08/1,258,507.93 = 504,008.15/x
  3. Step 3: Cross multiply
    911,915.08x = 1,258,507.93 × 504,008.15
  4. Step 4: Simplify right side
    911,915.08x = 634,298,255,445.88
  5. Step 5: Solve for x
    x = 634,298,255,445.88/911,915.08
  6. Step 6: Final answer
    x = 695,567.24

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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.