Home / 740,023.20-1,109,548.80-290,473.20

Finding the Fourth Proportional to 740,023.20, 1,109,548.80 and 290,473.20

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Solution

The fourth proportional to 740,023.20, 1,109,548.80 and 290,473.20 is: 435,519.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,023.20 : 1,109,548.80 = 290,473.20 : x
  2. Step 2: Convert to fraction form
    740,023.20/1,109,548.80 = 290,473.20/x
  3. Step 3: Cross multiply
    740,023.20x = 1,109,548.80 × 290,473.20
  4. Step 4: Simplify right side
    740,023.20x = 322,294,190,492.16
  5. Step 5: Solve for x
    x = 322,294,190,492.16/740,023.20
  6. Step 6: Final answer
    x = 435,519.04

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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.