Home / 987,334.72-1,362,521.93-534,625.72

Finding the Fourth Proportional to 987,334.72, 1,362,521.93 and 534,625.72

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Solution

The fourth proportional to 987,334.72, 1,362,521.93 and 534,625.72 is: 737,783.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,334.72 : 1,362,521.93 = 534,625.72 : x
  2. Step 2: Convert to fraction form
    987,334.72/1,362,521.93 = 534,625.72/x
  3. Step 3: Cross multiply
    987,334.72x = 1,362,521.93 × 534,625.72
  4. Step 4: Simplify right side
    987,334.72x = 728,439,261,762.61
  5. Step 5: Solve for x
    x = 728,439,261,762.61/987,334.72
  6. Step 6: Final answer
    x = 737,783.50

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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.