Home / 883,224.40-1,218,442.08-520,400.56

Finding the Fourth Proportional to 883,224.40, 1,218,442.08 and 520,400.56

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Solution

The fourth proportional to 883,224.40, 1,218,442.08 and 520,400.56 is: 717,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,224.40 : 1,218,442.08 = 520,400.56 : x
  2. Step 2: Convert to fraction form
    883,224.40/1,218,442.08 = 520,400.56/x
  3. Step 3: Cross multiply
    883,224.40x = 1,218,442.08 × 520,400.56
  4. Step 4: Simplify right side
    883,224.40x = 634,077,940,759.57
  5. Step 5: Solve for x
    x = 634,077,940,759.57/883,224.40
  6. Step 6: Final answer
    x = 717,912.62

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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.