Home / 482,823.80-724,322.10-202,369.40

Finding the Fourth Proportional to 482,823.80, 724,322.10 and 202,369.40

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Solution

The fourth proportional to 482,823.80, 724,322.10 and 202,369.40 is: 303,590.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,823.80 : 724,322.10 = 202,369.40 : x
  2. Step 2: Convert to fraction form
    482,823.80/724,322.10 = 202,369.40/x
  3. Step 3: Cross multiply
    482,823.80x = 724,322.10 × 202,369.40
  4. Step 4: Simplify right side
    482,823.80x = 146,580,628,783.74
  5. Step 5: Solve for x
    x = 146,580,628,783.74/482,823.80
  6. Step 6: Final answer
    x = 303,590.31

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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.