Home / 743,304.80-1,114,957.24-322,580.68

Finding the Fourth Proportional to 743,304.80, 1,114,957.24 and 322,580.68

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Solution

The fourth proportional to 743,304.80, 1,114,957.24 and 322,580.68 is: 483,871.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,304.80 : 1,114,957.24 = 322,580.68 : x
  2. Step 2: Convert to fraction form
    743,304.80/1,114,957.24 = 322,580.68/x
  3. Step 3: Cross multiply
    743,304.80x = 1,114,957.24 × 322,580.68
  4. Step 4: Simplify right side
    743,304.80x = 359,663,661,056.28
  5. Step 5: Solve for x
    x = 359,663,661,056.28/743,304.80
  6. Step 6: Final answer
    x = 483,871.03

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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.