Home / 805,812.60-1,208,718.90-332,340.60

Finding the Fourth Proportional to 805,812.60, 1,208,718.90 and 332,340.60

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Solution

The fourth proportional to 805,812.60, 1,208,718.90 and 332,340.60 is: 498,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,812.60 : 1,208,718.90 = 332,340.60 : x
  2. Step 2: Convert to fraction form
    805,812.60/1,208,718.90 = 332,340.60/x
  3. Step 3: Cross multiply
    805,812.60x = 1,208,718.90 × 332,340.60
  4. Step 4: Simplify right side
    805,812.60x = 401,706,364,457.34
  5. Step 5: Solve for x
    x = 401,706,364,457.34/805,812.60
  6. Step 6: Final answer
    x = 498,510.90

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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.