Home / 876,859.48-1,315,426.79-371,421.91

Finding the Fourth Proportional to 876,859.48, 1,315,426.79 and 371,421.91

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Solution

The fourth proportional to 876,859.48, 1,315,426.79 and 371,421.91 is: 557,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,859.48 : 1,315,426.79 = 371,421.91 : x
  2. Step 2: Convert to fraction form
    876,859.48/1,315,426.79 = 371,421.91/x
  3. Step 3: Cross multiply
    876,859.48x = 1,315,426.79 × 371,421.91
  4. Step 4: Simplify right side
    876,859.48x = 488,578,330,806.97
  5. Step 5: Solve for x
    x = 488,578,330,806.97/876,859.48
  6. Step 6: Final answer
    x = 557,191.14

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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.