Home / 711,828.64-982,226.40-425,287.84

Finding the Fourth Proportional to 711,828.64, 982,226.40 and 425,287.84

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Solution

The fourth proportional to 711,828.64, 982,226.40 and 425,287.84 is: 586,839.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,828.64 : 982,226.40 = 425,287.84 : x
  2. Step 2: Convert to fraction form
    711,828.64/982,226.40 = 425,287.84/x
  3. Step 3: Cross multiply
    711,828.64x = 982,226.40 × 425,287.84
  4. Step 4: Simplify right side
    711,828.64x = 417,728,944,046.98
  5. Step 5: Solve for x
    x = 417,728,944,046.98/711,828.64
  6. Step 6: Final answer
    x = 586,839.19

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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.