Home / 963,374.28-1,445,136.14-289,402.84

Finding the Fourth Proportional to 963,374.28, 1,445,136.14 and 289,402.84

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Solution

The fourth proportional to 963,374.28, 1,445,136.14 and 289,402.84 is: 434,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,374.28 : 1,445,136.14 = 289,402.84 : x
  2. Step 2: Convert to fraction form
    963,374.28/1,445,136.14 = 289,402.84/x
  3. Step 3: Cross multiply
    963,374.28x = 1,445,136.14 × 289,402.84
  4. Step 4: Simplify right side
    963,374.28x = 418,226,503,102.64
  5. Step 5: Solve for x
    x = 418,226,503,102.64/963,374.28
  6. Step 6: Final answer
    x = 434,126.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.