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Finding the Fourth Proportional to 702,688.03, 969,717.22 and 380,405.03

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Solution

The fourth proportional to 702,688.03, 969,717.22 and 380,405.03 is: 524,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,688.03 : 969,717.22 = 380,405.03 : x
  2. Step 2: Convert to fraction form
    702,688.03/969,717.22 = 380,405.03/x
  3. Step 3: Cross multiply
    702,688.03x = 969,717.22 × 380,405.03
  4. Step 4: Simplify right side
    702,688.03x = 368,885,302,366.02
  5. Step 5: Solve for x
    x = 368,885,302,366.02/702,688.03
  6. Step 6: Final answer
    x = 524,963.12

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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.