Home / 591,035.20-885,969.60-291,270.40

Finding the Fourth Proportional to 591,035.20, 885,969.60 and 291,270.40

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Solution

The fourth proportional to 591,035.20, 885,969.60 and 291,270.40 is: 436,618.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,035.20 : 885,969.60 = 291,270.40 : x
  2. Step 2: Convert to fraction form
    591,035.20/885,969.60 = 291,270.40/x
  3. Step 3: Cross multiply
    591,035.20x = 885,969.60 × 291,270.40
  4. Step 4: Simplify right side
    591,035.20x = 258,056,719,779.84
  5. Step 5: Solve for x
    x = 258,056,719,779.84/591,035.20
  6. Step 6: Final answer
    x = 436,618.19

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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.