Home / 908,660.30-1,362,990.45-310,297.10

Finding the Fourth Proportional to 908,660.30, 1,362,990.45 and 310,297.10

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Solution

The fourth proportional to 908,660.30, 1,362,990.45 and 310,297.10 is: 465,445.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,660.30 : 1,362,990.45 = 310,297.10 : x
  2. Step 2: Convert to fraction form
    908,660.30/1,362,990.45 = 310,297.10/x
  3. Step 3: Cross multiply
    908,660.30x = 1,362,990.45 × 310,297.10
  4. Step 4: Simplify right side
    908,660.30x = 422,931,983,962.70
  5. Step 5: Solve for x
    x = 422,931,983,962.70/908,660.30
  6. Step 6: Final answer
    x = 465,445.65

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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.