Home / 729,477.16-1,006,846.42-427,768.36

Finding the Fourth Proportional to 729,477.16, 1,006,846.42 and 427,768.36

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Solution

The fourth proportional to 729,477.16, 1,006,846.42 and 427,768.36 is: 590,418.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,477.16 : 1,006,846.42 = 427,768.36 : x
  2. Step 2: Convert to fraction form
    729,477.16/1,006,846.42 = 427,768.36/x
  3. Step 3: Cross multiply
    729,477.16x = 1,006,846.42 × 427,768.36
  4. Step 4: Simplify right side
    729,477.16x = 430,697,041,855.27
  5. Step 5: Solve for x
    x = 430,697,041,855.27/729,477.16
  6. Step 6: Final answer
    x = 590,418.82

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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.