Home / 992,055.52-1,488,316.56-308,910.88

Finding the Fourth Proportional to 992,055.52, 1,488,316.56 and 308,910.88

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Solution

The fourth proportional to 992,055.52, 1,488,316.56 and 308,910.88 is: 463,438.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,055.52 : 1,488,316.56 = 308,910.88 : x
  2. Step 2: Convert to fraction form
    992,055.52/1,488,316.56 = 308,910.88/x
  3. Step 3: Cross multiply
    992,055.52x = 1,488,316.56 × 308,910.88
  4. Step 4: Simplify right side
    992,055.52x = 459,757,178,268.17
  5. Step 5: Solve for x
    x = 459,757,178,268.17/992,055.52
  6. Step 6: Final answer
    x = 463,438.96

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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.