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Finding the Fourth Proportional to 573,504.84, 791,449.65 and 315,365.54

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Solution

The fourth proportional to 573,504.84, 791,449.65 and 315,365.54 is: 435,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,504.84 : 791,449.65 = 315,365.54 : x
  2. Step 2: Convert to fraction form
    573,504.84/791,449.65 = 315,365.54/x
  3. Step 3: Cross multiply
    573,504.84x = 791,449.65 × 315,365.54
  4. Step 4: Simplify right side
    573,504.84x = 249,595,942,297.81
  5. Step 5: Solve for x
    x = 249,595,942,297.81/573,504.84
  6. Step 6: Final answer
    x = 435,211.57

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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.