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Finding the Fourth Proportional to 911,725.02, 1,258,117.59 and 503,823

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Solution

The fourth proportional to 911,725.02, 1,258,117.59 and 503,823 is: 695,240.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,725.02 : 1,258,117.59 = 503,823 : x
  2. Step 2: Convert to fraction form
    911,725.02/1,258,117.59 = 503,823/x
  3. Step 3: Cross multiply
    911,725.02x = 1,258,117.59 × 503,823
  4. Step 4: Simplify right side
    911,725.02x = 633,868,578,546.57
  5. Step 5: Solve for x
    x = 633,868,578,546.57/911,725.02
  6. Step 6: Final answer
    x = 695,240.96

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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.