Home / 819,147.96-1,130,287.08-456,492.24

Finding the Fourth Proportional to 819,147.96, 1,130,287.08 and 456,492.24

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Solution

The fourth proportional to 819,147.96, 1,130,287.08 and 456,492.24 is: 629,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,147.96 : 1,130,287.08 = 456,492.24 : x
  2. Step 2: Convert to fraction form
    819,147.96/1,130,287.08 = 456,492.24/x
  3. Step 3: Cross multiply
    819,147.96x = 1,130,287.08 × 456,492.24
  4. Step 4: Simplify right side
    819,147.96x = 515,967,280,992.26
  5. Step 5: Solve for x
    x = 515,967,280,992.26/819,147.96
  6. Step 6: Final answer
    x = 629,882.89

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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.