Home / 666,962.40-1,001,099.70-330,383.10

Finding the Fourth Proportional to 666,962.40, 1,001,099.70 and 330,383.10

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Solution

The fourth proportional to 666,962.40, 1,001,099.70 and 330,383.10 is: 495,899.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,962.40 : 1,001,099.70 = 330,383.10 : x
  2. Step 2: Convert to fraction form
    666,962.40/1,001,099.70 = 330,383.10/x
  3. Step 3: Cross multiply
    666,962.40x = 1,001,099.70 × 330,383.10
  4. Step 4: Simplify right side
    666,962.40x = 330,746,422,295.07
  5. Step 5: Solve for x
    x = 330,746,422,295.07/666,962.40
  6. Step 6: Final answer
    x = 495,899.65

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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.