Home / 877,793.09-1,316,735.19-278,801.10

Finding the Fourth Proportional to 877,793.09, 1,316,735.19 and 278,801.10

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Solution

The fourth proportional to 877,793.09, 1,316,735.19 and 278,801.10 is: 418,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,793.09 : 1,316,735.19 = 278,801.10 : x
  2. Step 2: Convert to fraction form
    877,793.09/1,316,735.19 = 278,801.10/x
  3. Step 3: Cross multiply
    877,793.09x = 1,316,735.19 × 278,801.10
  4. Step 4: Simplify right side
    877,793.09x = 367,107,219,380.71
  5. Step 5: Solve for x
    x = 367,107,219,380.71/877,793.09
  6. Step 6: Final answer
    x = 418,216.12

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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.