Home / 761,858.91-1,141,785.72-425,058.14

Finding the Fourth Proportional to 761,858.91, 1,141,785.72 and 425,058.14

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Solution

The fourth proportional to 761,858.91, 1,141,785.72 and 425,058.14 is: 637,027.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,858.91 : 1,141,785.72 = 425,058.14 : x
  2. Step 2: Convert to fraction form
    761,858.91/1,141,785.72 = 425,058.14/x
  3. Step 3: Cross multiply
    761,858.91x = 1,141,785.72 × 425,058.14
  4. Step 4: Simplify right side
    761,858.91x = 485,325,317,276.23
  5. Step 5: Solve for x
    x = 485,325,317,276.23/761,858.91
  6. Step 6: Final answer
    x = 637,027.82

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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.