Home / 841,262.90-1,260,844.58-420,659.06

Finding the Fourth Proportional to 841,262.90, 1,260,844.58 and 420,659.06

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Solution

The fourth proportional to 841,262.90, 1,260,844.58 and 420,659.06 is: 630,463.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,262.90 : 1,260,844.58 = 420,659.06 : x
  2. Step 2: Convert to fraction form
    841,262.90/1,260,844.58 = 420,659.06/x
  3. Step 3: Cross multiply
    841,262.90x = 1,260,844.58 × 420,659.06
  4. Step 4: Simplify right side
    841,262.90x = 530,385,690,576.32
  5. Step 5: Solve for x
    x = 530,385,690,576.32/841,262.90
  6. Step 6: Final answer
    x = 630,463.67

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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.