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Finding the Fourth Proportional to 555,120.99, 832,010.47 and 270,384.89

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Solution

The fourth proportional to 555,120.99, 832,010.47 and 270,384.89 is: 405,250.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,120.99 : 832,010.47 = 270,384.89 : x
  2. Step 2: Convert to fraction form
    555,120.99/832,010.47 = 270,384.89/x
  3. Step 3: Cross multiply
    555,120.99x = 832,010.47 × 270,384.89
  4. Step 4: Simplify right side
    555,120.99x = 224,963,054,573.78
  5. Step 5: Solve for x
    x = 224,963,054,573.78/555,120.99
  6. Step 6: Final answer
    x = 405,250.49

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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.