Home / 820,586.97-1,132,467.08-458,081.60

Finding the Fourth Proportional to 820,586.97, 1,132,467.08 and 458,081.60

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Solution

The fourth proportional to 820,586.97, 1,132,467.08 and 458,081.60 is: 632,184.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,586.97 : 1,132,467.08 = 458,081.60 : x
  2. Step 2: Convert to fraction form
    820,586.97/1,132,467.08 = 458,081.60/x
  3. Step 3: Cross multiply
    820,586.97x = 1,132,467.08 × 458,081.60
  4. Step 4: Simplify right side
    820,586.97x = 518,762,324,000.99
  5. Step 5: Solve for x
    x = 518,762,324,000.99/820,586.97
  6. Step 6: Final answer
    x = 632,184.45

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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.