Home / 642,607.18-964,175.44-282,592.96

Finding the Fourth Proportional to 642,607.18, 964,175.44 and 282,592.96

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Solution

The fourth proportional to 642,607.18, 964,175.44 and 282,592.96 is: 424,005.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,607.18 : 964,175.44 = 282,592.96 : x
  2. Step 2: Convert to fraction form
    642,607.18/964,175.44 = 282,592.96/x
  3. Step 3: Cross multiply
    642,607.18x = 964,175.44 × 282,592.96
  4. Step 4: Simplify right side
    642,607.18x = 272,469,191,548.90
  5. Step 5: Solve for x
    x = 272,469,191,548.90/642,607.18
  6. Step 6: Final answer
    x = 424,005.83

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1.5x scale

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.