Home / 963,373.28-1,445,134.64-289,401.84

Finding the Fourth Proportional to 963,373.28, 1,445,134.64 and 289,401.84

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Solution

The fourth proportional to 963,373.28, 1,445,134.64 and 289,401.84 is: 434,125.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,373.28 : 1,445,134.64 = 289,401.84 : x
  2. Step 2: Convert to fraction form
    963,373.28/1,445,134.64 = 289,401.84/x
  3. Step 3: Cross multiply
    963,373.28x = 1,445,134.64 × 289,401.84
  4. Step 4: Simplify right side
    963,373.28x = 418,224,622,416.73
  5. Step 5: Solve for x
    x = 418,224,622,416.73/963,373.28
  6. Step 6: Final answer
    x = 434,125.21

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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.