Home / 479,985.03-662,366.64-265,120.47

Finding the Fourth Proportional to 479,985.03, 662,366.64 and 265,120.47

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Solution

The fourth proportional to 479,985.03, 662,366.64 and 265,120.47 is: 365,859.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,985.03 : 662,366.64 = 265,120.47 : x
  2. Step 2: Convert to fraction form
    479,985.03/662,366.64 = 265,120.47/x
  3. Step 3: Cross multiply
    479,985.03x = 662,366.64 × 265,120.47
  4. Step 4: Simplify right side
    479,985.03x = 175,606,954,909.12
  5. Step 5: Solve for x
    x = 175,606,954,909.12/479,985.03
  6. Step 6: Final answer
    x = 365,859.23

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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.