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Finding the Fourth Proportional to 602,871.60, 830,815.97 and 591,792.33

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Solution

The fourth proportional to 602,871.60, 830,815.97 and 591,792.33 is: 815,547.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,871.60 : 830,815.97 = 591,792.33 : x
  2. Step 2: Convert to fraction form
    602,871.60/830,815.97 = 591,792.33/x
  3. Step 3: Cross multiply
    602,871.60x = 830,815.97 × 591,792.33
  4. Step 4: Simplify right side
    602,871.60x = 491,670,515,728.55
  5. Step 5: Solve for x
    x = 491,670,515,728.55/602,871.60
  6. Step 6: Final answer
    x = 815,547.65

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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.