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Finding the Fourth Proportional to 624,897.95, 937,348.28 and 225,820.56

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Solution

The fourth proportional to 624,897.95, 937,348.28 and 225,820.56 is: 338,731.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,897.95 : 937,348.28 = 225,820.56 : x
  2. Step 2: Convert to fraction form
    624,897.95/937,348.28 = 225,820.56/x
  3. Step 3: Cross multiply
    624,897.95x = 937,348.28 × 225,820.56
  4. Step 4: Simplify right side
    624,897.95x = 211,672,518,007.66
  5. Step 5: Solve for x
    x = 211,672,518,007.66/624,897.95
  6. Step 6: Final answer
    x = 338,731.34

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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.