Home / 832,743.68-1,149,119.34-470,255.72

Finding the Fourth Proportional to 832,743.68, 1,149,119.34 and 470,255.72

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Solution

The fourth proportional to 832,743.68, 1,149,119.34 and 470,255.72 is: 648,915.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,743.68 : 1,149,119.34 = 470,255.72 : x
  2. Step 2: Convert to fraction form
    832,743.68/1,149,119.34 = 470,255.72/x
  3. Step 3: Cross multiply
    832,743.68x = 1,149,119.34 × 470,255.72
  4. Step 4: Simplify right side
    832,743.68x = 540,379,942,597.63
  5. Step 5: Solve for x
    x = 540,379,942,597.63/832,743.68
  6. Step 6: Final answer
    x = 648,915.09

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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.