Home / 867,455.37-1,300,671.72-405,322.14

Finding the Fourth Proportional to 867,455.37, 1,300,671.72 and 405,322.14

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Solution

The fourth proportional to 867,455.37, 1,300,671.72 and 405,322.14 is: 607,744.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,455.37 : 1,300,671.72 = 405,322.14 : x
  2. Step 2: Convert to fraction form
    867,455.37/1,300,671.72 = 405,322.14/x
  3. Step 3: Cross multiply
    867,455.37x = 1,300,671.72 × 405,322.14
  4. Step 4: Simplify right side
    867,455.37x = 527,191,044,987.88
  5. Step 5: Solve for x
    x = 527,191,044,987.88/867,455.37
  6. Step 6: Final answer
    x = 607,744.29

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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.