Home / 872,508.51-1,308,779.16-273,456.40

Finding the Fourth Proportional to 872,508.51, 1,308,779.16 and 273,456.40

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Solution

The fourth proportional to 872,508.51, 1,308,779.16 and 273,456.40 is: 410,189.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,508.51 : 1,308,779.16 = 273,456.40 : x
  2. Step 2: Convert to fraction form
    872,508.51/1,308,779.16 = 273,456.40/x
  3. Step 3: Cross multiply
    872,508.51x = 1,308,779.16 × 273,456.40
  4. Step 4: Simplify right side
    872,508.51x = 357,894,037,488.62
  5. Step 5: Solve for x
    x = 357,894,037,488.62/872,508.51
  6. Step 6: Final answer
    x = 410,189.74

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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.