Home / 554,176.47-831,006.36-287,865.48

Finding the Fourth Proportional to 554,176.47, 831,006.36 and 287,865.48

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Solution

The fourth proportional to 554,176.47, 831,006.36 and 287,865.48 is: 431,664.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,176.47 : 831,006.36 = 287,865.48 : x
  2. Step 2: Convert to fraction form
    554,176.47/831,006.36 = 287,865.48/x
  3. Step 3: Cross multiply
    554,176.47x = 831,006.36 × 287,865.48
  4. Step 4: Simplify right side
    554,176.47x = 239,218,044,704.45
  5. Step 5: Solve for x
    x = 239,218,044,704.45/554,176.47
  6. Step 6: Final answer
    x = 431,664.02

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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.