Home / 864,456.48-1,296,666.62-288,121.50

Finding the Fourth Proportional to 864,456.48, 1,296,666.62 and 288,121.50

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Solution

The fourth proportional to 864,456.48, 1,296,666.62 and 288,121.50 is: 432,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,456.48 : 1,296,666.62 = 288,121.50 : x
  2. Step 2: Convert to fraction form
    864,456.48/1,296,666.62 = 288,121.50/x
  3. Step 3: Cross multiply
    864,456.48x = 1,296,666.62 × 288,121.50
  4. Step 4: Simplify right side
    864,456.48x = 373,597,530,113.72
  5. Step 5: Solve for x
    x = 373,597,530,113.72/864,456.48
  6. Step 6: Final answer
    x = 432,176.22

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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.