Home / 649,863.90-974,795.85-460,907.10

Finding the Fourth Proportional to 649,863.90, 974,795.85 and 460,907.10

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Solution

The fourth proportional to 649,863.90, 974,795.85 and 460,907.10 is: 691,360.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,863.90 : 974,795.85 = 460,907.10 : x
  2. Step 2: Convert to fraction form
    649,863.90/974,795.85 = 460,907.10/x
  3. Step 3: Cross multiply
    649,863.90x = 974,795.85 × 460,907.10
  4. Step 4: Simplify right side
    649,863.90x = 449,290,328,315.54
  5. Step 5: Solve for x
    x = 449,290,328,315.54/649,863.90
  6. Step 6: Final answer
    x = 691,360.65

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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.