Home / 987,569.76-1,362,848.16-534,860.88

Finding the Fourth Proportional to 987,569.76, 1,362,848.16 and 534,860.88

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Solution

The fourth proportional to 987,569.76, 1,362,848.16 and 534,860.88 is: 738,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,569.76 : 1,362,848.16 = 534,860.88 : x
  2. Step 2: Convert to fraction form
    987,569.76/1,362,848.16 = 534,860.88/x
  3. Step 3: Cross multiply
    987,569.76x = 1,362,848.16 × 534,860.88
  4. Step 4: Simplify right side
    987,569.76x = 728,934,166,163.98
  5. Step 5: Solve for x
    x = 728,934,166,163.98/987,569.76
  6. Step 6: Final answer
    x = 738,109.04

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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.