Home / 987,337.71-1,362,526.08-534,628.71

Finding the Fourth Proportional to 987,337.71, 1,362,526.08 and 534,628.71

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Solution

The fourth proportional to 987,337.71, 1,362,526.08 and 534,628.71 is: 737,787.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,337.71 : 1,362,526.08 = 534,628.71 : x
  2. Step 2: Convert to fraction form
    987,337.71/1,362,526.08 = 534,628.71/x
  3. Step 3: Cross multiply
    987,337.71x = 1,362,526.08 × 534,628.71
  4. Step 4: Simplify right side
    987,337.71x = 728,445,560,491.76
  5. Step 5: Solve for x
    x = 728,445,560,491.76/987,337.71
  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.