Home / 874,461.03-1,206,842.28-511,862.91

Finding the Fourth Proportional to 874,461.03, 1,206,842.28 and 511,862.91

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Solution

The fourth proportional to 874,461.03, 1,206,842.28 and 511,862.91 is: 706,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,461.03 : 1,206,842.28 = 511,862.91 : x
  2. Step 2: Convert to fraction form
    874,461.03/1,206,842.28 = 511,862.91/x
  3. Step 3: Cross multiply
    874,461.03x = 1,206,842.28 × 511,862.91
  4. Step 4: Simplify right side
    874,461.03x = 617,737,801,351.84
  5. Step 5: Solve for x
    x = 617,737,801,351.84/874,461.03
  6. Step 6: Final answer
    x = 706,421.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.