Home / 874,587.30-1,206,518.04-511,788.60

Finding the Fourth Proportional to 874,587.30, 1,206,518.04 and 511,788.60

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Solution

The fourth proportional to 874,587.30, 1,206,518.04 and 511,788.60 is: 706,026.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,587.30 : 1,206,518.04 = 511,788.60 : x
  2. Step 2: Convert to fraction form
    874,587.30/1,206,518.04 = 511,788.60/x
  3. Step 3: Cross multiply
    874,587.30x = 1,206,518.04 × 511,788.60
  4. Step 4: Simplify right side
    874,587.30x = 617,482,178,566.34
  5. Step 5: Solve for x
    x = 617,482,178,566.34/874,587.30
  6. Step 6: Final answer
    x = 706,026.92

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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.