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Finding the Fourth Proportional to 460,756.20, 635,799.06 and 277,048.20

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Solution

The fourth proportional to 460,756.20, 635,799.06 and 277,048.20 is: 382,299.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,756.20 : 635,799.06 = 277,048.20 : x
  2. Step 2: Convert to fraction form
    460,756.20/635,799.06 = 277,048.20/x
  3. Step 3: Cross multiply
    460,756.20x = 635,799.06 × 277,048.20
  4. Step 4: Simplify right side
    460,756.20x = 176,146,985,134.69
  5. Step 5: Solve for x
    x = 176,146,985,134.69/460,756.20
  6. Step 6: Final answer
    x = 382,299.76

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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.