Home / 729,657.90-1,094,490.52-329,830.56

Finding the Fourth Proportional to 729,657.90, 1,094,490.52 and 329,830.56

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Solution

The fourth proportional to 729,657.90, 1,094,490.52 and 329,830.56 is: 494,747.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,657.90 : 1,094,490.52 = 329,830.56 : x
  2. Step 2: Convert to fraction form
    729,657.90/1,094,490.52 = 329,830.56/x
  3. Step 3: Cross multiply
    729,657.90x = 1,094,490.52 × 329,830.56
  4. Step 4: Simplify right side
    729,657.90x = 360,996,421,126.29
  5. Step 5: Solve for x
    x = 360,996,421,126.29/729,657.90
  6. Step 6: Final answer
    x = 494,747.50

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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.