Home / 706,590.72-1,059,886.80-285,870.24

Finding the Fourth Proportional to 706,590.72, 1,059,886.80 and 285,870.24

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Solution

The fourth proportional to 706,590.72, 1,059,886.80 and 285,870.24 is: 428,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,590.72 : 1,059,886.80 = 285,870.24 : x
  2. Step 2: Convert to fraction form
    706,590.72/1,059,886.80 = 285,870.24/x
  3. Step 3: Cross multiply
    706,590.72x = 1,059,886.80 × 285,870.24
  4. Step 4: Simplify right side
    706,590.72x = 302,990,093,888.83
  5. Step 5: Solve for x
    x = 302,990,093,888.83/706,590.72
  6. Step 6: Final answer
    x = 428,805.65

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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.