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Finding the Fourth Proportional to 702,520.57, 969,501.86 and 430,535.92

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Solution

The fourth proportional to 702,520.57, 969,501.86 and 430,535.92 is: 594,153.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,520.57 : 969,501.86 = 430,535.92 : x
  2. Step 2: Convert to fraction form
    702,520.57/969,501.86 = 430,535.92/x
  3. Step 3: Cross multiply
    702,520.57x = 969,501.86 × 430,535.92
  4. Step 4: Simplify right side
    702,520.57x = 417,405,375,236.81
  5. Step 5: Solve for x
    x = 417,405,375,236.81/702,520.57
  6. Step 6: Final answer
    x = 594,153.96

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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.