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Finding the Fourth Proportional to 702,386.62, 969,293.51 and 380,096.71

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Solution

The fourth proportional to 702,386.62, 969,293.51 and 380,096.71 is: 524,533.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,386.62 : 969,293.51 = 380,096.71 : x
  2. Step 2: Convert to fraction form
    702,386.62/969,293.51 = 380,096.71/x
  3. Step 3: Cross multiply
    702,386.62x = 969,293.51 × 380,096.71
  4. Step 4: Simplify right side
    702,386.62x = 368,425,277,176.95
  5. Step 5: Solve for x
    x = 368,425,277,176.95/702,386.62
  6. Step 6: Final answer
    x = 524,533.45

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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.