Home / 911,915.32-1,258,508.27-504,008.40

Finding the Fourth Proportional to 911,915.32, 1,258,508.27 and 504,008.40

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Solution

The fourth proportional to 911,915.32, 1,258,508.27 and 504,008.40 is: 695,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,915.32 : 1,258,508.27 = 504,008.40 : x
  2. Step 2: Convert to fraction form
    911,915.32/1,258,508.27 = 504,008.40/x
  3. Step 3: Cross multiply
    911,915.32x = 1,258,508.27 × 504,008.40
  4. Step 4: Simplify right side
    911,915.32x = 634,298,739,549.47
  5. Step 5: Solve for x
    x = 634,298,739,549.47/911,915.32
  6. Step 6: Final answer
    x = 695,567.59

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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.