Home / 404,742.03-607,057.65-120,476.45

Finding the Fourth Proportional to 404,742.03, 607,057.65 and 120,476.45

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Solution

The fourth proportional to 404,742.03, 607,057.65 and 120,476.45 is: 180,698.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,742.03 : 607,057.65 = 120,476.45 : x
  2. Step 2: Convert to fraction form
    404,742.03/607,057.65 = 120,476.45/x
  3. Step 3: Cross multiply
    404,742.03x = 607,057.65 × 120,476.45
  4. Step 4: Simplify right side
    404,742.03x = 73,136,150,617.34
  5. Step 5: Solve for x
    x = 73,136,150,617.34/404,742.03
  6. Step 6: Final answer
    x = 180,698.19

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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.