Home / 590,485.20-885,071.70-324,436.65

Finding the Fourth Proportional to 590,485.20, 885,071.70 and 324,436.65

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Solution

The fourth proportional to 590,485.20, 885,071.70 and 324,436.65 is: 486,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,485.20 : 885,071.70 = 324,436.65 : x
  2. Step 2: Convert to fraction form
    590,485.20/885,071.70 = 324,436.65/x
  3. Step 3: Cross multiply
    590,485.20x = 885,071.70 × 324,436.65
  4. Step 4: Simplify right side
    590,485.20x = 287,149,697,357.81
  5. Step 5: Solve for x
    x = 287,149,697,357.81/590,485.20
  6. Step 6: Final answer
    x = 486,294.49

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Half scale
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Double scale
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Similar ratio
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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.