Home / 772,287.20-1,157,509.20-323,007.20

Finding the Fourth Proportional to 772,287.20, 1,157,509.20 and 323,007.20

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Solution

The fourth proportional to 772,287.20, 1,157,509.20 and 323,007.20 is: 484,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,287.20 : 1,157,509.20 = 323,007.20 : x
  2. Step 2: Convert to fraction form
    772,287.20/1,157,509.20 = 323,007.20/x
  3. Step 3: Cross multiply
    772,287.20x = 1,157,509.20 × 323,007.20
  4. Step 4: Simplify right side
    772,287.20x = 373,883,805,666.24
  5. Step 5: Solve for x
    x = 373,883,805,666.24/772,287.20
  6. Step 6: Final answer
    x = 484,125.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.