Home / 897,321.69-1,346,243.13-290,097.02

Finding the Fourth Proportional to 897,321.69, 1,346,243.13 and 290,097.02

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Solution

The fourth proportional to 897,321.69, 1,346,243.13 and 290,097.02 is: 435,229.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,321.69 : 1,346,243.13 = 290,097.02 : x
  2. Step 2: Convert to fraction form
    897,321.69/1,346,243.13 = 290,097.02/x
  3. Step 3: Cross multiply
    897,321.69x = 1,346,243.13 × 290,097.02
  4. Step 4: Simplify right side
    897,321.69x = 390,541,123,574.08
  5. Step 5: Solve for x
    x = 390,541,123,574.08/897,321.69
  6. Step 6: Final answer
    x = 435,229.78

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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.