Home / 920,351.10-1,380,620.93-352,210.04

Finding the Fourth Proportional to 920,351.10, 1,380,620.93 and 352,210.04

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Solution

The fourth proportional to 920,351.10, 1,380,620.93 and 352,210.04 is: 528,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,351.10 : 1,380,620.93 = 352,210.04 : x
  2. Step 2: Convert to fraction form
    920,351.10/1,380,620.93 = 352,210.04/x
  3. Step 3: Cross multiply
    920,351.10x = 1,380,620.93 × 352,210.04
  4. Step 4: Simplify right side
    920,351.10x = 486,268,552,980.14
  5. Step 5: Solve for x
    x = 486,268,552,980.14/920,351.10
  6. Step 6: Final answer
    x = 528,351.14

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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.