Home / 759,863.01-1,139,795.84-310,583.49

Finding the Fourth Proportional to 759,863.01, 1,139,795.84 and 310,583.49

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Solution

The fourth proportional to 759,863.01, 1,139,795.84 and 310,583.49 is: 465,875.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,863.01 : 1,139,795.84 = 310,583.49 : x
  2. Step 2: Convert to fraction form
    759,863.01/1,139,795.84 = 310,583.49/x
  3. Step 3: Cross multiply
    759,863.01x = 1,139,795.84 × 310,583.49
  4. Step 4: Simplify right side
    759,863.01x = 354,001,769,874.68
  5. Step 5: Solve for x
    x = 354,001,769,874.68/759,863.01
  6. Step 6: Final answer
    x = 465,875.78

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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.