Home / 877,315.08-1,316,019.39-278,324.13

Finding the Fourth Proportional to 877,315.08, 1,316,019.39 and 278,324.13

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Solution

The fourth proportional to 877,315.08, 1,316,019.39 and 278,324.13 is: 417,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,315.08 : 1,316,019.39 = 278,324.13 : x
  2. Step 2: Convert to fraction form
    877,315.08/1,316,019.39 = 278,324.13/x
  3. Step 3: Cross multiply
    877,315.08x = 1,316,019.39 × 278,324.13
  4. Step 4: Simplify right side
    877,315.08x = 366,279,951,784.88
  5. Step 5: Solve for x
    x = 366,279,951,784.88/877,315.08
  6. Step 6: Final answer
    x = 417,501.03

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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.