Home / 829,143.04-1,243,753.44-268,221.28

Finding the Fourth Proportional to 829,143.04, 1,243,753.44 and 268,221.28

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Solution

The fourth proportional to 829,143.04, 1,243,753.44 and 268,221.28 is: 402,344.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,143.04 : 1,243,753.44 = 268,221.28 : x
  2. Step 2: Convert to fraction form
    829,143.04/1,243,753.44 = 268,221.28/x
  3. Step 3: Cross multiply
    829,143.04x = 1,243,753.44 × 268,221.28
  4. Step 4: Simplify right side
    829,143.04x = 333,601,139,681.20
  5. Step 5: Solve for x
    x = 333,601,139,681.20/829,143.04
  6. Step 6: Final answer
    x = 402,344.50

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Double scale
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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.