Home / 945,331.40-1,417,997.10-314,163.20

Finding the Fourth Proportional to 945,331.40, 1,417,997.10 and 314,163.20

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Solution

The fourth proportional to 945,331.40, 1,417,997.10 and 314,163.20 is: 471,244.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,331.40 : 1,417,997.10 = 314,163.20 : x
  2. Step 2: Convert to fraction form
    945,331.40/1,417,997.10 = 314,163.20/x
  3. Step 3: Cross multiply
    945,331.40x = 1,417,997.10 × 314,163.20
  4. Step 4: Simplify right side
    945,331.40x = 445,482,506,526.72
  5. Step 5: Solve for x
    x = 445,482,506,526.72/945,331.40
  6. Step 6: Final answer
    x = 471,244.80

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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.