Home / 911,915.07-1,258,507.96-504,008.13

Finding the Fourth Proportional to 911,915.07, 1,258,507.96 and 504,008.13

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Solution

The fourth proportional to 911,915.07, 1,258,507.96 and 504,008.13 is: 695,567.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,915.07 : 1,258,507.96 = 504,008.13 : x
  2. Step 2: Convert to fraction form
    911,915.07/1,258,507.96 = 504,008.13/x
  3. Step 3: Cross multiply
    911,915.07x = 1,258,507.96 × 504,008.13
  4. Step 4: Simplify right side
    911,915.07x = 634,298,243,509.72
  5. Step 5: Solve for x
    x = 634,298,243,509.72/911,915.07
  6. Step 6: Final answer
    x = 695,567.23

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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.