Home / 992,049.69-1,487,717.73-343,449.77

Finding the Fourth Proportional to 992,049.69, 1,487,717.73 and 343,449.77

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Solution

The fourth proportional to 992,049.69, 1,487,717.73 and 343,449.77 is: 515,051.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,049.69 : 1,487,717.73 = 343,449.77 : x
  2. Step 2: Convert to fraction form
    992,049.69/1,487,717.73 = 343,449.77/x
  3. Step 3: Cross multiply
    992,049.69x = 1,487,717.73 × 343,449.77
  4. Step 4: Simplify right side
    992,049.69x = 510,956,303,037.59
  5. Step 5: Solve for x
    x = 510,956,303,037.59/992,049.69
  6. Step 6: Final answer
    x = 515,051.12

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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.