Home / 987,337.72-1,362,526.06-534,628.72

Finding the Fourth Proportional to 987,337.72, 1,362,526.06 and 534,628.72

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Solution

The fourth proportional to 987,337.72, 1,362,526.06 and 534,628.72 is: 737,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,337.72 : 1,362,526.06 = 534,628.72 : x
  2. Step 2: Convert to fraction form
    987,337.72/1,362,526.06 = 534,628.72/x
  3. Step 3: Cross multiply
    987,337.72x = 1,362,526.06 × 534,628.72
  4. Step 4: Simplify right side
    987,337.72x = 728,445,563,424.44
  5. Step 5: Solve for x
    x = 728,445,563,424.44/987,337.72
  6. Step 6: Final answer
    x = 737,787.64

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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.