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Finding the Fourth Proportional to 702,430.89, 969,354.72 and 380,141.07

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Solution

The fourth proportional to 702,430.89, 969,354.72 and 380,141.07 is: 524,594.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,430.89 : 969,354.72 = 380,141.07 : x
  2. Step 2: Convert to fraction form
    702,430.89/969,354.72 = 380,141.07/x
  3. Step 3: Cross multiply
    702,430.89x = 969,354.72 × 380,141.07
  4. Step 4: Simplify right side
    702,430.89x = 368,491,540,470.35
  5. Step 5: Solve for x
    x = 368,491,540,470.35/702,430.89
  6. Step 6: Final answer
    x = 524,594.73

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1.5x scale

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.