Home / 820,568.75-1,132,441.94-458,063.38

Finding the Fourth Proportional to 820,568.75, 1,132,441.94 and 458,063.38

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Solution

The fourth proportional to 820,568.75, 1,132,441.94 and 458,063.38 is: 632,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,568.75 : 1,132,441.94 = 458,063.38 : x
  2. Step 2: Convert to fraction form
    820,568.75/1,132,441.94 = 458,063.38/x
  3. Step 3: Cross multiply
    820,568.75x = 1,132,441.94 × 458,063.38
  4. Step 4: Simplify right side
    820,568.75x = 518,730,177,568.74
  5. Step 5: Solve for x
    x = 518,730,177,568.74/820,568.75
  6. Step 6: Final answer
    x = 632,159.31

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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.