Home / 669,504.70-1,005,241.20-470,706.40

Finding the Fourth Proportional to 669,504.70, 1,005,241.20 and 470,706.40

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Solution

The fourth proportional to 669,504.70, 1,005,241.20 and 470,706.40 is: 706,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,504.70 : 1,005,241.20 = 470,706.40 : x
  2. Step 2: Convert to fraction form
    669,504.70/1,005,241.20 = 470,706.40/x
  3. Step 3: Cross multiply
    669,504.70x = 1,005,241.20 × 470,706.40
  4. Step 4: Simplify right side
    669,504.70x = 473,173,466,383.68
  5. Step 5: Solve for x
    x = 473,173,466,383.68/669,504.70
  6. Step 6: Final answer
    x = 706,751.52

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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.