Home / 805,249.50-1,111,265.58-437,751.36

Finding the Fourth Proportional to 805,249.50, 1,111,265.58 and 437,751.36

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Solution

The fourth proportional to 805,249.50, 1,111,265.58 and 437,751.36 is: 604,108.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,249.50 : 1,111,265.58 = 437,751.36 : x
  2. Step 2: Convert to fraction form
    805,249.50/1,111,265.58 = 437,751.36/x
  3. Step 3: Cross multiply
    805,249.50x = 1,111,265.58 × 437,751.36
  4. Step 4: Simplify right side
    805,249.50x = 486,458,018,966.19
  5. Step 5: Solve for x
    x = 486,458,018,966.19/805,249.50
  6. Step 6: Final answer
    x = 604,108.44

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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.