Home / 429,738.39-592,288.30-314,772.78

Finding the Fourth Proportional to 429,738.39, 592,288.30 and 314,772.78

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Solution

The fourth proportional to 429,738.39, 592,288.30 and 314,772.78 is: 433,836.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,738.39 : 592,288.30 = 314,772.78 : x
  2. Step 2: Convert to fraction form
    429,738.39/592,288.30 = 314,772.78/x
  3. Step 3: Cross multiply
    429,738.39x = 592,288.30 × 314,772.78
  4. Step 4: Simplify right side
    429,738.39x = 186,436,237,367.02
  5. Step 5: Solve for x
    x = 186,436,237,367.02/429,738.39
  6. Step 6: Final answer
    x = 433,836.59

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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.