Home / 554,176.96-831,007.10-287,865.98

Finding the Fourth Proportional to 554,176.96, 831,007.10 and 287,865.98

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Solution

The fourth proportional to 554,176.96, 831,007.10 and 287,865.98 is: 431,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,176.96 : 831,007.10 = 287,865.98 : x
  2. Step 2: Convert to fraction form
    554,176.96/831,007.10 = 287,865.98/x
  3. Step 3: Cross multiply
    554,176.96x = 831,007.10 × 287,865.98
  4. Step 4: Simplify right side
    554,176.96x = 239,218,673,228.46
  5. Step 5: Solve for x
    x = 239,218,673,228.46/554,176.96
  6. Step 6: Final answer
    x = 431,664.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.