Home / 805,410.62-1,111,445.33-437,876.16

Finding the Fourth Proportional to 805,410.62, 1,111,445.33 and 437,876.16

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Solution

The fourth proportional to 805,410.62, 1,111,445.33 and 437,876.16 is: 604,257.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,410.62 : 1,111,445.33 = 437,876.16 : x
  2. Step 2: Convert to fraction form
    805,410.62/1,111,445.33 = 437,876.16/x
  3. Step 3: Cross multiply
    805,410.62x = 1,111,445.33 × 437,876.16
  4. Step 4: Simplify right side
    805,410.62x = 486,675,406,793.03
  5. Step 5: Solve for x
    x = 486,675,406,793.03/805,410.62
  6. Step 6: Final answer
    x = 604,257.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.