Home / 557,462.63-769,285.87-324,875.18

Finding the Fourth Proportional to 557,462.63, 769,285.87 and 324,875.18

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Solution

The fourth proportional to 557,462.63, 769,285.87 and 324,875.18 is: 448,320.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,462.63 : 769,285.87 = 324,875.18 : x
  2. Step 2: Convert to fraction form
    557,462.63/769,285.87 = 324,875.18/x
  3. Step 3: Cross multiply
    557,462.63x = 769,285.87 × 324,875.18
  4. Step 4: Simplify right side
    557,462.63x = 249,921,880,829.09
  5. Step 5: Solve for x
    x = 249,921,880,829.09/557,462.63
  6. Step 6: Final answer
    x = 448,320.42

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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.