Home / 470,988.10-649,980.63-269,822.98

Finding the Fourth Proportional to 470,988.10, 649,980.63 and 269,822.98

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Solution

The fourth proportional to 470,988.10, 649,980.63 and 269,822.98 is: 372,365.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,988.10 : 649,980.63 = 269,822.98 : x
  2. Step 2: Convert to fraction form
    470,988.10/649,980.63 = 269,822.98/x
  3. Step 3: Cross multiply
    470,988.10x = 649,980.63 × 269,822.98
  4. Step 4: Simplify right side
    470,988.10x = 175,379,705,929.86
  5. Step 5: Solve for x
    x = 175,379,705,929.86/470,988.10
  6. Step 6: Final answer
    x = 372,365.48

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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.