Home / 724,004.40-1,086,357.20-297,855.16

Finding the Fourth Proportional to 724,004.40, 1,086,357.20 and 297,855.16

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Solution

The fourth proportional to 724,004.40, 1,086,357.20 and 297,855.16 is: 446,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,004.40 : 1,086,357.20 = 297,855.16 : x
  2. Step 2: Convert to fraction form
    724,004.40/1,086,357.20 = 297,855.16/x
  3. Step 3: Cross multiply
    724,004.40x = 1,086,357.20 × 297,855.16
  4. Step 4: Simplify right side
    724,004.40x = 323,577,097,623.15
  5. Step 5: Solve for x
    x = 323,577,097,623.15/724,004.40
  6. Step 6: Final answer
    x = 446,926.98

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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.