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Finding the Fourth Proportional to 702,442.59, 969,370.70 and 380,152.75

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Solution

The fourth proportional to 702,442.59, 969,370.70 and 380,152.75 is: 524,610.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,442.59 : 969,370.70 = 380,152.75 : x
  2. Step 2: Convert to fraction form
    702,442.59/969,370.70 = 380,152.75/x
  3. Step 3: Cross multiply
    702,442.59x = 969,370.70 × 380,152.75
  4. Step 4: Simplify right side
    702,442.59x = 368,508,937,374.43
  5. Step 5: Solve for x
    x = 368,508,937,374.43/702,442.59
  6. Step 6: Final answer
    x = 524,610.75

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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.