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Finding the Fourth Proportional to 530,685.60, 731,100.24 and 369,263.40

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Solution

The fourth proportional to 530,685.60, 731,100.24 and 369,263.40 is: 508,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,685.60 : 731,100.24 = 369,263.40 : x
  2. Step 2: Convert to fraction form
    530,685.60/731,100.24 = 369,263.40/x
  3. Step 3: Cross multiply
    530,685.60x = 731,100.24 × 369,263.40
  4. Step 4: Simplify right side
    530,685.60x = 269,968,560,363.22
  5. Step 5: Solve for x
    x = 269,968,560,363.22/530,685.60
  6. Step 6: Final answer
    x = 508,716.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.