Home / 859,540.80-1,186,034.40-496,894.08

Finding the Fourth Proportional to 859,540.80, 1,186,034.40 and 496,894.08

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Solution

The fourth proportional to 859,540.80, 1,186,034.40 and 496,894.08 is: 685,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,540.80 : 1,186,034.40 = 496,894.08 : x
  2. Step 2: Convert to fraction form
    859,540.80/1,186,034.40 = 496,894.08/x
  3. Step 3: Cross multiply
    859,540.80x = 1,186,034.40 × 496,894.08
  4. Step 4: Simplify right side
    859,540.80x = 589,333,472,036.35
  5. Step 5: Solve for x
    x = 589,333,472,036.35/859,540.80
  6. Step 6: Final answer
    x = 685,637.58

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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.