Home / 810,251.34-1,118,140.29-447,674.10

Finding the Fourth Proportional to 810,251.34, 1,118,140.29 and 447,674.10

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Solution

The fourth proportional to 810,251.34, 1,118,140.29 and 447,674.10 is: 617,786.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,251.34 : 1,118,140.29 = 447,674.10 : x
  2. Step 2: Convert to fraction form
    810,251.34/1,118,140.29 = 447,674.10/x
  3. Step 3: Cross multiply
    810,251.34x = 1,118,140.29 × 447,674.10
  4. Step 4: Simplify right side
    810,251.34x = 500,562,447,999.49
  5. Step 5: Solve for x
    x = 500,562,447,999.49/810,251.34
  6. Step 6: Final answer
    x = 617,786.63

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.