Home / 727,333.92-1,003,730.65-405,052.13

Finding the Fourth Proportional to 727,333.92, 1,003,730.65 and 405,052.13

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Solution

The fourth proportional to 727,333.92, 1,003,730.65 and 405,052.13 is: 558,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,333.92 : 1,003,730.65 = 405,052.13 : x
  2. Step 2: Convert to fraction form
    727,333.92/1,003,730.65 = 405,052.13/x
  3. Step 3: Cross multiply
    727,333.92x = 1,003,730.65 × 405,052.13
  4. Step 4: Simplify right side
    727,333.92x = 406,563,237,728.79
  5. Step 5: Solve for x
    x = 406,563,237,728.79/727,333.92
  6. Step 6: Final answer
    x = 558,977.42

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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.