Home / 761,864.54-1,141,794.09-425,063.84

Finding the Fourth Proportional to 761,864.54, 1,141,794.09 and 425,063.84

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Solution

The fourth proportional to 761,864.54, 1,141,794.09 and 425,063.84 is: 637,036.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,864.54 : 1,141,794.09 = 425,063.84 : x
  2. Step 2: Convert to fraction form
    761,864.54/1,141,794.09 = 425,063.84/x
  3. Step 3: Cross multiply
    761,864.54x = 1,141,794.09 × 425,063.84
  4. Step 4: Simplify right side
    761,864.54x = 485,335,374,675.74
  5. Step 5: Solve for x
    x = 485,335,374,675.74/761,864.54
  6. Step 6: Final answer
    x = 637,036.31

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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.