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Finding the Fourth Proportional to 650,719.34, 897,986.43 and 374,975.89

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Solution

The fourth proportional to 650,719.34, 897,986.43 and 374,975.89 is: 517,463.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,719.34 : 897,986.43 = 374,975.89 : x
  2. Step 2: Convert to fraction form
    650,719.34/897,986.43 = 374,975.89/x
  3. Step 3: Cross multiply
    650,719.34x = 897,986.43 × 374,975.89
  4. Step 4: Simplify right side
    650,719.34x = 336,723,256,307.24
  5. Step 5: Solve for x
    x = 336,723,256,307.24/650,719.34
  6. Step 6: Final answer
    x = 517,463.11

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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.