Home / 425,918.87-587,779.10-232,329.84

Finding the Fourth Proportional to 425,918.87, 587,779.10 and 232,329.84

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Solution

The fourth proportional to 425,918.87, 587,779.10 and 232,329.84 is: 320,621.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,918.87 : 587,779.10 = 232,329.84 : x
  2. Step 2: Convert to fraction form
    425,918.87/587,779.10 = 232,329.84/x
  3. Step 3: Cross multiply
    425,918.87x = 587,779.10 × 232,329.84
  4. Step 4: Simplify right side
    425,918.87x = 136,558,624,258.34
  5. Step 5: Solve for x
    x = 136,558,624,258.34/425,918.87
  6. Step 6: Final answer
    x = 320,621.21

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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.