Home / 876,860.48-1,315,428.29-371,422.91

Finding the Fourth Proportional to 876,860.48, 1,315,428.29 and 371,422.91

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Solution

The fourth proportional to 876,860.48, 1,315,428.29 and 371,422.91 is: 557,192.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,860.48 : 1,315,428.29 = 371,422.91 : x
  2. Step 2: Convert to fraction form
    876,860.48/1,315,428.29 = 371,422.91/x
  3. Step 3: Cross multiply
    876,860.48x = 1,315,428.29 × 371,422.91
  4. Step 4: Simplify right side
    876,860.48x = 488,580,203,368.12
  5. Step 5: Solve for x
    x = 488,580,203,368.12/876,860.48
  6. Step 6: Final answer
    x = 557,192.64

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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.