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Finding the Fourth Proportional to 702,628.04, 969,625.87 and 380,338.04

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Solution

The fourth proportional to 702,628.04, 969,625.87 and 380,338.04 is: 524,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,628.04 : 969,625.87 = 380,338.04 : x
  2. Step 2: Convert to fraction form
    702,628.04/969,625.87 = 380,338.04/x
  3. Step 3: Cross multiply
    702,628.04x = 969,625.87 × 380,338.04
  4. Step 4: Simplify right side
    702,628.04x = 368,785,602,929.10
  5. Step 5: Solve for x
    x = 368,785,602,929.10/702,628.04
  6. Step 6: Final answer
    x = 524,866.05

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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.