Home / 748,221.84-1,122,332.76-187,256.34

Finding the Fourth Proportional to 748,221.84, 1,122,332.76 and 187,256.34

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Solution

The fourth proportional to 748,221.84, 1,122,332.76 and 187,256.34 is: 280,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,221.84 : 1,122,332.76 = 187,256.34 : x
  2. Step 2: Convert to fraction form
    748,221.84/1,122,332.76 = 187,256.34/x
  3. Step 3: Cross multiply
    748,221.84x = 1,122,332.76 × 187,256.34
  4. Step 4: Simplify right side
    748,221.84x = 210,163,924,899.70
  5. Step 5: Solve for x
    x = 210,163,924,899.70/748,221.84
  6. Step 6: Final answer
    x = 280,884.51

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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.