Home / 859,482.78-1,186,016.70-496,929.90

Finding the Fourth Proportional to 859,482.78, 1,186,016.70 and 496,929.90

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Solution

The fourth proportional to 859,482.78, 1,186,016.70 and 496,929.90 is: 685,723.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,482.78 : 1,186,016.70 = 496,929.90 : x
  2. Step 2: Convert to fraction form
    859,482.78/1,186,016.70 = 496,929.90/x
  3. Step 3: Cross multiply
    859,482.78x = 1,186,016.70 × 496,929.90
  4. Step 4: Simplify right side
    859,482.78x = 589,367,160,129.33
  5. Step 5: Solve for x
    x = 589,367,160,129.33/859,482.78
  6. Step 6: Final answer
    x = 685,723.06

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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.