Home / 420,566.55-631,046.79-183,878.61

Finding the Fourth Proportional to 420,566.55, 631,046.79 and 183,878.61

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Solution

The fourth proportional to 420,566.55, 631,046.79 and 183,878.61 is: 275,904.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,566.55 : 631,046.79 = 183,878.61 : x
  2. Step 2: Convert to fraction form
    420,566.55/631,046.79 = 183,878.61/x
  3. Step 3: Cross multiply
    420,566.55x = 631,046.79 × 183,878.61
  4. Step 4: Simplify right side
    420,566.55x = 116,036,006,590.16
  5. Step 5: Solve for x
    x = 116,036,006,590.16/420,566.55
  6. Step 6: Final answer
    x = 275,904.03

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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.