Home / 765,245.04-1,055,752.92-478,656.24

Finding the Fourth Proportional to 765,245.04, 1,055,752.92 and 478,656.24

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Solution

The fourth proportional to 765,245.04, 1,055,752.92 and 478,656.24 is: 660,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,245.04 : 1,055,752.92 = 478,656.24 : x
  2. Step 2: Convert to fraction form
    765,245.04/1,055,752.92 = 478,656.24/x
  3. Step 3: Cross multiply
    765,245.04x = 1,055,752.92 × 478,656.24
  4. Step 4: Simplify right side
    765,245.04x = 505,342,723,056.22
  5. Step 5: Solve for x
    x = 505,342,723,056.22/765,245.04
  6. Step 6: Final answer
    x = 660,367.20

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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.