Home / 987,499.68-1,362,746.64-534,790.56

Finding the Fourth Proportional to 987,499.68, 1,362,746.64 and 534,790.56

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Solution

The fourth proportional to 987,499.68, 1,362,746.64 and 534,790.56 is: 738,009.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,499.68 : 1,362,746.64 = 534,790.56 : x
  2. Step 2: Convert to fraction form
    987,499.68/1,362,746.64 = 534,790.56/x
  3. Step 3: Cross multiply
    987,499.68x = 1,362,746.64 × 534,790.56
  4. Step 4: Simplify right side
    987,499.68x = 728,784,038,743.72
  5. Step 5: Solve for x
    x = 728,784,038,743.72/987,499.68
  6. Step 6: Final answer
    x = 738,009.39

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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.