Home / 877,949.76-1,316,790-278,833.44

Finding the Fourth Proportional to 877,949.76, 1,316,790 and 278,833.44

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Solution

The fourth proportional to 877,949.76, 1,316,790 and 278,833.44 is: 418,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,949.76 : 1,316,790 = 278,833.44 : x
  2. Step 2: Convert to fraction form
    877,949.76/1,316,790 = 278,833.44/x
  3. Step 3: Cross multiply
    877,949.76x = 1,316,790 × 278,833.44
  4. Step 4: Simplify right side
    877,949.76x = 367,165,085,457.60
  5. Step 5: Solve for x
    x = 367,165,085,457.60/877,949.76
  6. Step 6: Final answer
    x = 418,207.40

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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.