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Finding the Fourth Proportional to 521,702.90, 782,554.35 and 465,606.35

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Solution

The fourth proportional to 521,702.90, 782,554.35 and 465,606.35 is: 698,409.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,702.90 : 782,554.35 = 465,606.35 : x
  2. Step 2: Convert to fraction form
    521,702.90/782,554.35 = 465,606.35/x
  3. Step 3: Cross multiply
    521,702.90x = 782,554.35 × 465,606.35
  4. Step 4: Simplify right side
    521,702.90x = 364,362,274,580.12
  5. Step 5: Solve for x
    x = 364,362,274,580.12/521,702.90
  6. Step 6: Final answer
    x = 698,409.53

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.