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Finding the Fourth Proportional to 762,573.80, 1,051,492.92 and 624,323

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Solution

The fourth proportional to 762,573.80, 1,051,492.92 and 624,323 is: 860,862.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,573.80 : 1,051,492.92 = 624,323 : x
  2. Step 2: Convert to fraction form
    762,573.80/1,051,492.92 = 624,323/x
  3. Step 3: Cross multiply
    762,573.80x = 1,051,492.92 × 624,323
  4. Step 4: Simplify right side
    762,573.80x = 656,471,214,293.16
  5. Step 5: Solve for x
    x = 656,471,214,293.16/762,573.80
  6. Step 6: Final answer
    x = 860,862.53

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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.